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11457816960 = 27357018513
BaseRepresentation
bin10101010101111000…
…00110100110000000
31002120111220102001010
422222330012212000
5141431200120320
65132540440520
7553635560112
oct125274064600
932514812033
1011457816960
11494a703517
122279249140
131107a30365
147a9a053b2
15470d73ae0
hex2aaf06980

11457816960 has 128 divisors (see below), whose sum is σ = 36578187360. Its totient is φ = 3050700800.

The previous prime is 11457816941. The next prime is 11457816967. The reversal of 11457816960 is 6961875411.

It is a happy number.

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 (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457816967) 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, 1341664 + ... + 1350176.

Almost surely, 211457816960 is an apocalyptic number.

11457816960 is a gapful number since it is divisible by the number (10) 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 11457816960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18289093680).

11457816960 is an abundant number, since it is smaller than the sum of its proper divisors (25120370400).

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

11457816960 is an equidigital number, since it uses as much as digits as its factorization.

11457816960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236 (or 9224 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 11457816960 in words is "eleven billion, four hundred fifty-seven million, eight hundred sixteen thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 701 960 1402 1920 2103 2804 3505 4206 5608 7010 8412 8513 10515 11216 14020 16824 17026 21030 22432 25539 28040 33648 34052 42060 42565 44864 51078 56080 67296 68104 84120 85130 89728 102156 112160 127695 134592 136208 168240 170260 204312 224320 255390 269184 272416 336480 340520 408624 448640 510780 544832 672960 681040 817248 1021560 1089664 1345920 1362080 1634496 2043120 2724160 3268992 4086240 5448320 5967613 8172480 11935226 16344960 17902839 23870452 29838065 35805678 47740904 59676130 71611356 89514195 95481808 119352260 143222712 179028390 190963616 238704520 286445424 358056780 381927232 477409040 572890848 716113560 763854464 954818080 1145781696 1432227120 1909636160 2291563392 2864454240 3819272320 5728908480 11457816960