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10247657472 = 211321342767
BaseRepresentation
bin10011000101100111…
…01101100000000000
3222110011202221022100
421202303231200000
5131441400014342
64412510510400
7511642436253
oct114263554000
928404687270
1010247657472
114389598808
121b9bb05400
13c740bc860
146d2dcd09a
153ee9cce4c
hex262ced800

10247657472 has 144 divisors (see below), whose sum is σ = 31874562720. Its totient is φ = 3153051648.

The previous prime is 10247657461. The next prime is 10247657473. The reversal of 10247657472 is 27475674201.

10247657472 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 7 + 6 + 574 + 72 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10247657473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218233 + ... + 260999.

It is an arithmetic number, because the mean of its divisors is an integer number (221351130).

Almost surely, 210247657472 is an apocalyptic number.

10247657472 is a gapful number since it is divisible by the number (12) 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 10247657472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15937281360).

10247657472 is an abundant number, since it is smaller than the sum of its proper divisors (21626905248).

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

10247657472 is a wasteful number, since it uses less digits than its factorization.

10247657472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42808 (or 42785 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 10247657472 in words is "ten billion, two hundred forty-seven million, six hundred fifty-seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 256 288 312 384 416 468 512 576 624 768 832 936 1024 1152 1248 1536 1664 1872 2048 2304 2496 3072 3328 3744 4608 4992 6144 6656 7488 9216 9984 13312 14976 18432 19968 26624 29952 39936 42767 59904 79872 85534 119808 128301 171068 239616 256602 342136 384903 513204 555971 684272 769806 1026408 1111942 1368544 1539612 1667913 2052816 2223884 2737088 3079224 3335826 4105632 4447768 5003739 5474176 6158448 6671652 8211264 8895536 10007478 10948352 12316896 13343304 16422528 17791072 20014956 21896704 24633792 26686608 32845056 35582144 40029912 43793408 49267584 53373216 65690112 71164288 80059824 87586816 98535168 106746432 131380224 142328576 160119648 197070336 213492864 262760448 284657152 320239296 394140672 426985728 569314304 640478592 788281344 853971456 1138628608 1280957184 1707942912 2561914368 3415885824 5123828736 10247657472