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71161958892023 = 3119933247346961
BaseRepresentation
bin10000001011100010101111…
…010010000000000111110111
3100022222000110021021100221222
4100023202233102000013313
533311404142434021043
6411203204055100555
720663165452165526
oct2013425722000767
9308860407240858
1071161958892023
11207466876737aa
127b937b807175b
13309270c02255c
141380385a1a4bd
15836144b8bd68
hex40b8af4801f7

71161958892023 has 16 divisors (see below), whose sum is σ = 73829072486400. Its totient is φ = 68518091030400.

The previous prime is 71161958892001. The next prime is 71161958892041. The reversal of 71161958892023 is 32029885916117.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71161958892023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71161958892083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204927263 + ... + 205274223.

It is an arithmetic number, because the mean of its divisors is an integer number (4614317030400).

Almost surely, 271161958892023 is an apocalyptic number.

71161958892023 is a deficient number, since it is larger than the sum of its proper divisors (2667113594377).

71161958892023 is a wasteful number, since it uses less digits than its factorization.

71161958892023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380438.

The product of its (nonzero) digits is 13063680, while the sum is 62.

The spelling of 71161958892023 in words is "seventy-one trillion, one hundred sixty-one billion, nine hundred fifty-eight million, eight hundred ninety-two thousand, twenty-three".

Divisors: 1 31 199 6169 33247 346961 1030657 6616153 10755791 69045239 205100743 2140402409 11535412367 357597783377 2295547061033 71161958892023