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7480461312 = 211321723873
BaseRepresentation
bin1101111011101111…
…01100100000000000
3201022022210210210200
412331313230200000
5110304444230222
63234140125200
7353241605052
oct67567544000
921268723720
107480461312
113199586335
121549236800
13922a0988c
1450d6a78d2
152dbac2eac
hex1bddec800

7480461312 has 144 divisors (see below), whose sum is σ = 22876783020. Its totient is φ = 2346713088.

The previous prime is 7480461301. The next prime is 7480461323. The reversal of 7480461312 is 2131640847.

7480461312 is a `hidden beast` number, since 7 + 480 + 46 + 131 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (7480461301) and next prime (7480461323).

It can be written as a sum of positive squares in 2 ways, for example, as 7448380416 + 32080896 = 86304^2 + 5664^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×74804613122 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301408 + ... + 325280.

Almost surely, 27480461312 is an apocalyptic number.

7480461312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7480461312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11438391510).

7480461312 is an abundant number, since it is smaller than the sum of its proper divisors (15396321708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7480461312 is a wasteful number, since it uses less digits than its factorization.

7480461312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23918 (or 23895 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 7480461312 is about 86489.6601450139. The cubic root of 7480461312 is about 1955.7325339676.

The spelling of 7480461312 in words is "seven billion, four hundred eighty million, four hundred sixty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 256 272 288 306 384 408 512 544 576 612 768 816 1024 1088 1152 1224 1536 1632 2048 2176 2304 2448 3072 3264 4352 4608 4896 6144 6528 8704 9216 9792 13056 17408 18432 19584 23873 26112 34816 39168 47746 52224 71619 78336 95492 104448 143238 156672 190984 214857 286476 313344 381968 405841 429714 572952 763936 811682 859428 1145904 1217523 1527872 1623364 1718856 2291808 2435046 3055744 3246728 3437712 3652569 4583616 4870092 6111488 6493456 6875424 7305138 9167232 9740184 12222976 12986912 13750848 14610276 18334464 19480368 24445952 25973824 27501696 29220552 36668928 38960736 48891904 51947648 55003392 58441104 73337856 77921472 103895296 110006784 116882208 146675712 155842944 207790592 220013568 233764416 311685888 415581184 440027136 467528832 623371776 831162368 935057664 1246743552 1870115328 2493487104 3740230656 7480461312