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71161809892082 = 2713267744426651
BaseRepresentation
bin10000001011100010100110…
…011001100111001011110010
3100022222000001212220101110122
4100023202212121213023302
533311403341313021312
6411203141213330242
720663161662542420
oct2013424631471362
9308860055811418
1071161809892082
1120746610554958
127b93776196982
1330926b71b3900
14138036dd12110
15836136a58b72
hex40b8a66672f2

71161809892082 has 48 divisors (see below), whose sum is σ = 132292618085952. Its totient is φ = 28110340814400.

The previous prime is 71161809892081. The next prime is 71161809892223. The reversal of 71161809892082 is 28029890816117.

It is not an unprimeable number, because it can be changed into a prime (71161809892081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20611544 + ... + 23815107.

It is an arithmetic number, because the mean of its divisors is an integer number (2756096210124).

Almost surely, 271161809892082 is an apocalyptic number.

71161809892082 is a deficient number, since it is larger than the sum of its proper divisors (61130808193870).

71161809892082 is a wasteful number, since it uses less digits than its factorization.

71161809892082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44427363 (or 44427350 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 62.

The spelling of 71161809892082 in words is "seventy-one trillion, one hundred sixty-one billion, eight hundred nine million, eight hundred ninety-two thousand, eighty-two".

Divisors: 1 2 7 13 14 26 91 169 182 338 677 1183 1354 2366 4739 8801 9478 17602 61607 114413 123214 228826 800891 1601782 44426651 88853302 310986557 577546463 621973114 1155092926 4042825241 7508104019 8085650482 15016208038 30076842727 52556728133 60153685454 105113456266 210537899089 390998955451 421075798178 781997910902 2736992688157 5082986420863 5473985376314 10165972841726 35580904946041 71161809892082