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71138080704 = 2631312828327
BaseRepresentation
bin100001001000000101…
…0001111011111000000
320210121201211221002210
41002100022033133000
52131142322040304
652402543542120
75065603465125
oct1022012173700
9223551757083
1071138080704
1128195656a39
1211953bba940
13692916c3a2
14362bc2874c
151cb54b9c89
hex109028f7c0

71138080704 has 56 divisors (see below), whose sum is σ = 189656362368. Its totient is φ = 23531672320.

The previous prime is 71138080691. The next prime is 71138080751. The reversal of 71138080704 is 40708083117.

It is a super-3 number, since 3×711380807043 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389012 + ... + 1439315.

Almost surely, 271138080704 is an apocalyptic number.

It is an amenable number.

71138080704 is an abundant number, since it is smaller than the sum of its proper divisors (118518281664).

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

71138080704 is a wasteful number, since it uses less digits than its factorization.

71138080704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828473 (or 2828463 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 71138080704 in words is "seventy-one billion, one hundred thirty-eight million, eighty thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 131 192 262 393 524 786 1048 1572 2096 3144 4192 6288 8384 12576 25152 2828327 5656654 8484981 11313308 16969962 22626616 33939924 45253232 67879848 90506464 135759696 181012928 271519392 370510837 543038784 741021674 1111532511 1482043348 2223065022 2964086696 4446130044 5928173392 8892260088 11856346784 17784520176 23712693568 35569040352 71138080704