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268997183874 = 23312745785829
BaseRepresentation
bin1111101010000101111…
…0110100100110000010
3221201022212122210021000
43322201132310212002
513401401234340444
6323324155112430
725302000223326
oct3724136644602
9851285583230
10268997183874
11a4098996711
1244172742716
131c49ba818b3
14d03b855986
156ee59e9469
hex3ea17b4982

268997183874 has 64 divisors (see below), whose sum is σ = 603803750400. Its totient is φ = 88764004224.

The previous prime is 268997183857. The next prime is 268997183879. The reversal of 268997183874 is 478381799862.

268997183874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268997183879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3091192 + ... + 3177020.

It is an arithmetic number, because the mean of its divisors is an integer number (9434433600).

Almost surely, 2268997183874 is an apocalyptic number.

268997183874 is an abundant number, since it is smaller than the sum of its proper divisors (334806566526).

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

268997183874 is a wasteful number, since it uses less digits than its factorization.

268997183874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86424 (or 86418 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 72.

The spelling of 268997183874 in words is "two hundred sixty-eight billion, nine hundred ninety-seven million, one hundred eighty-three thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 127 254 381 457 762 914 1143 1371 2286 2742 3429 4113 6858 8226 12339 24678 58039 85829 116078 171658 174117 257487 348234 514974 522351 772461 1044702 1544922 1567053 2317383 3134106 4634766 10900283 21800566 32700849 39223853 65401698 78447706 98102547 117671559 196205094 235343118 294307641 353014677 588615282 706029354 1059044031 2118088062 4981429331 9962858662 14944287993 29888575986 44832863979 89665727958 134498591937 268997183874