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5270656720 = 245710193187
BaseRepresentation
bin1001110100010011…
…11101011011010000
3111121022200002210011
410322021331123100
541243242003340
62231000244304
7244416562060
oct47211753320
914538602704
105270656720
11226516a44a
121031170694
1365cc545b4
1437ddd73a0
1520cabb0ea
hex13a27d6d0

5270656720 has 80 divisors (see below), whose sum is σ = 14143701888. Its totient is φ = 1789171200.

The previous prime is 5270656711. The next prime is 5270656757. The reversal of 5270656720 is 276560725.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×52706567203 (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9967 + ... + 103153.

Almost surely, 25270656720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5270656720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7071850944).

5270656720 is an abundant number, since it is smaller than the sum of its proper divisors (8873045168).

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

5270656720 is a wasteful number, since it uses less digits than its factorization.

5270656720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93308 (or 93302 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 5270656720 is about 72599.2887017497. The cubic root of 5270656720 is about 1740.2898094806.

The spelling of 5270656720 in words is "five billion, two hundred seventy million, six hundred fifty-six thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 101 112 140 202 280 404 505 560 707 808 1010 1414 1616 2020 2828 3535 4040 5656 7070 8080 11312 14140 28280 56560 93187 186374 372748 465935 652309 745496 931870 1304618 1490992 1863740 2609236 3261545 3727480 5218472 6523090 7454960 9411887 10436944 13046180 18823774 26092360 37647548 47059435 52184720 65883209 75295096 94118870 131766418 150590192 188237740 263532836 329416045 376475480 527065672 658832090 752950960 1054131344 1317664180 2635328360 5270656720