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72141278749164 = 22335205112833083
BaseRepresentation
bin10000011001110010110011…
…010010110010000111101100
3100110102122020202100200121000
4100121302303102302013230
533423430314324433124
6413233125042240300
721124015065502062
oct2031626322620754
9313378222320530
1072141278749164
1120a93a43153239
128111568356090
133133b7ca37471
1413b59296d2032
15851860ad86c9
hex419cb34b21ec

72141278749164 has 48 divisors (see below), whose sum is σ = 187036552743040. Its totient is φ = 24046629051600.

The previous prime is 72141278749153. The next prime is 72141278749217. The reversal of 72141278749164 is 46194787214127.

72141278749164 is a `hidden beast` number, since 7 + 2 + 1 + 4 + 1 + 2 + 7 + 87 + 491 + 64 = 666.

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, 795034 + ... + 12038049.

Almost surely, 272141278749164 is an apocalyptic number.

It is an amenable number.

72141278749164 is an abundant number, since it is smaller than the sum of its proper divisors (114895273993876).

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

72141278749164 is a wasteful number, since it uses less digits than its factorization.

72141278749164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12885147 (or 12885139 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The spelling of 72141278749164 in words is "seventy-two trillion, one hundred forty-one billion, two hundred seventy-eight million, seven hundred forty-nine thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 52051 104102 156153 208204 312306 468459 624612 936918 1405377 1873836 2810754 5621508 12833083 25666166 38499249 51332332 76998498 115497747 153996996 230995494 346493241 461990988 692986482 1385972964 667974803233 1335949606466 2003924409699 2671899212932 4007848819398 6011773229097 8015697638796 12023546458194 18035319687291 24047092916388 36070639374582 72141278749164