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71137162460 = 22571339086353
BaseRepresentation
bin100001001000000011…
…0101111010011011100
320210121200010021111202
41002100012233103130
52131142103144320
652402512135032
75065562622050
oct1022006572334
9223550107452
1071137162460
112819508a061
1211953837478
136928c0a450
14362ba69c60
151cb5387b75
hex10901af4dc

71137162460 has 48 divisors (see below), whose sum is σ = 183862209216. Its totient is φ = 22513738752.

The previous prime is 71137162427. The next prime is 71137162493. The reversal of 71137162460 is 6426173117.

It is an interprime number because it is at equal distance from previous prime (71137162427) and next prime (71137162493).

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, 19541357 + ... + 19544996.

It is an arithmetic number, because the mean of its divisors is an integer number (3830462692).

Almost surely, 271137162460 is an apocalyptic number.

71137162460 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71137162460 is an abundant number, since it is smaller than the sum of its proper divisors (112725046756).

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

71137162460 is a wasteful number, since it uses less digits than its factorization.

71137162460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39086382 (or 39086380 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 71137162460 in words is "seventy-one billion, one hundred thirty-seven million, one hundred sixty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 39086353 78172706 156345412 195431765 273604471 390863530 508122589 547208942 781727060 1016245178 1094417884 1368022355 2032490356 2540612945 2736044710 3556858123 5081225890 5472089420 7113716246 10162451780 14227432492 17784290615 35568581230 71137162460