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71045700866007 = 37171311519141721
BaseRepresentation
bin10000001001110110011101…
…110000110100111111010111
3100022112220101001021201202120
4100021312131300310333113
533303003043410203012
6411033535554111023
720651611461236340
oct2011663560647727
9308486331251676
1071045700866007
1120701348a8806a
127b7517157b473
133084772166c9a
1413788b765d0c7
158330dd48e58c
hex409d9dc34fd7

71045700866007 has 32 divisors (see below), whose sum is σ = 115503383407104. Its totient is φ = 37917777331200.

The previous prime is 71045700865987. The next prime is 71045700866017. The reversal of 71045700866007 is 70066800754017.

It is a de Polignac number, because none of the positive numbers 2k-71045700866007 is a prime.

It is a super-2 number, since 2×710457008660072 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71045700866017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759524094 + ... + 759617627.

It is an arithmetic number, because the mean of its divisors is an integer number (3609480731472).

Almost surely, 271045700866007 is an apocalyptic number.

71045700866007 is a deficient number, since it is larger than the sum of its proper divisors (44457682541097).

71045700866007 is a wasteful number, since it uses less digits than its factorization.

71045700866007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519141879.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 71045700866007 in words is "seventy-one trillion, forty-five billion, seven hundred million, eight hundred sixty-six thousand, seven".

Divisors: 1 3 7 17 21 51 119 131 357 393 917 2227 2751 6681 15589 46767 1519141721 4557425163 10633992047 25825409257 31901976141 77476227771 180777864799 199007565451 542333594397 597022696353 1393052958157 3383128612667 4179158874471 10149385838001 23681900288669 71045700866007