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1300310144 = 27717194493
BaseRepresentation
bin100110110000001…
…0010100010000000
310100121202121011222
41031200102202000
510130334411034
6333010054212
744136311450
oct11540224200
93317677158
101300310144
11607a9a291
1230357a368
131795161b3
14c49a1d60
157925212e
hex4d812880

1300310144 has 128 divisors (see below), whose sum is σ = 3300393600. Its totient is φ = 496779264.

The previous prime is 1300310047. The next prime is 1300310147. The reversal of 1300310144 is 4410130031.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1300310147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287162 + ... + 291654.

It is an arithmetic number, because the mean of its divisors is an integer number (25784325).

Almost surely, 21300310144 is an apocalyptic number.

1300310144 is a gapful number since it is divisible by the number (14) 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 1300310144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650196800).

1300310144 is an abundant number, since it is smaller than the sum of its proper divisors (2000083456).

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

1300310144 is a wasteful number, since it uses less digits than its factorization.

1300310144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550 (or 4538 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1300310144 is about 36059.8134215916. The cubic root of 1300310144 is about 1091.4796681995.

Adding to 1300310144 its reverse (4410130031), we get a palindrome (5710440175).

The spelling of 1300310144 in words is "one billion, three hundred million, three hundred ten thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 17 19 28 32 34 38 56 64 68 76 112 119 128 133 136 152 224 238 266 272 304 323 448 476 532 544 608 646 896 952 1064 1088 1216 1292 1904 2128 2176 2261 2432 2584 3808 4256 4493 4522 5168 7616 8512 8986 9044 10336 15232 17024 17972 18088 20672 31451 35944 36176 41344 62902 71888 72352 76381 85367 125804 143776 144704 152762 170734 251608 287552 289408 305524 341468 503216 534667 575104 597569 611048 682936 1006432 1069334 1195138 1222096 1365872 1451239 2012864 2138668 2390276 2444192 2731744 2902478 4025728 4277336 4780552 4888384 5463488 5804956 8554672 9561104 9776768 10158673 10926976 11609912 17109344 19122208 20317346 23219824 34218688 38244416 40634692 46439648 68437376 76488832 81269384 92879296 162538768 185758592 325077536 650155072 1300310144