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12859901197 = 11132397173233
BaseRepresentation
bin10111111101000001…
…01000010100001101
31020012020011200000221
423332200220110031
5202314113314242
65524024151341
7633452233213
oct137640502415
936166150027
1012859901197
1154aa096120
1225aa908551
13129c35b6c0
1489dcdacb3
15503ecb167
hex2fe82850d

12859901197 has 64 divisors (see below), whose sum is σ = 16088357376. Its totient is φ = 10113269760.

The previous prime is 12859901191. The next prime is 12859901237. The reversal of 12859901197 is 79110995821.

It is not a de Polignac number, because 12859901197 - 27 = 12859901069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12859901191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55192593 + ... + 55192825.

It is an arithmetic number, because the mean of its divisors is an integer number (251380584).

Almost surely, 212859901197 is an apocalyptic number.

It is an amenable number.

12859901197 is a deficient number, since it is larger than the sum of its proper divisors (3228456179).

12859901197 is a wasteful number, since it uses less digits than its factorization.

12859901197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 408240, while the sum is 52.

The spelling of 12859901197 in words is "twelve billion, eight hundred fifty-nine million, nine hundred one thousand, one hundred ninety-seven".

Divisors: 1 11 13 23 97 143 173 233 253 299 1067 1261 1903 2231 2249 2563 3029 3289 3979 5359 13871 16781 22601 24541 24739 29003 33319 40309 43769 51727 58949 69667 184591 218153 248611 293813 319033 385963 443399 519823 524017 568997 766337 927107 2399683 3231943 3909973 4245593 5017519 5718053 5764187 6757699 10198177 12052391 43009703 50829649 55192709 74334689 89929379 132576301 559126139 989223169 1169081927 12859901197