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12871771704312 = 23319107263809061
BaseRepresentation
bin1011101101001111000101…
…1000010100101111111000
31200120112021220100012001220
42323103301120110233320
53141342342024014222
643213113231112040
72465645334151623
oct273236130245770
950515256305056
1012871771704312
114112984619304
12153a776372620
13724a58b77641
14326dd5d88dba
15174c5713cb5c
hexbb4f1614bf8

12871771704312 has 64 divisors (see below), whose sum is σ = 34189654435200. Its totient is φ = 4026781491840.

The previous prime is 12871771704287. The next prime is 12871771704367. The reversal of 12871771704312 is 21340717717821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131855739 + ... + 131953322.

It is an arithmetic number, because the mean of its divisors is an integer number (534213350550).

Almost surely, 212871771704312 is an apocalyptic number.

12871771704312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12871771704312 is an abundant number, since it is smaller than the sum of its proper divisors (21317882730888).

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

12871771704312 is a wasteful number, since it uses less digits than its factorization.

12871771704312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263809196 (or 263809192 counting only the distinct ones).

The product of its (nonzero) digits is 921984, while the sum is 51.

The spelling of 12871771704312 in words is "twelve trillion, eight hundred seventy-one billion, seven hundred seventy-one million, seven hundred four thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 107 114 152 214 228 321 428 456 642 856 1284 2033 2568 4066 6099 8132 12198 16264 24396 48792 263809061 527618122 791427183 1055236244 1582854366 2110472488 3165708732 5012372159 6331417464 10024744318 15037116477 20049488636 28227569527 30074232954 40098977272 56455139054 60148465908 84682708581 112910278108 120296931816 169365417162 225820556216 338730834324 536323821013 677461668648 1072647642026 1608971463039 2145295284052 3217942926078 4290590568104 6435885852156 12871771704312