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51860669404 = 22171923116793
BaseRepresentation
bin110000010011001000…
…110000001111011100
311221212020222222012111
4300103020300033130
51322202312410104
635454030043404
73514104262615
oct602310601734
9157766888174
1051860669404
111aaa2aa5565
12a074049564
134b763b263b
14271d8bac0c
151537dd4404
hexc132303dc

51860669404 has 72 divisors (see below), whose sum is σ = 101759662368. Its totient is φ = 23042810880.

The previous prime is 51860669321. The next prime is 51860669407. The reversal of 51860669404 is 40496606815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51860669407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7631032 + ... + 7637824.

It is an arithmetic number, because the mean of its divisors is an integer number (1413328644).

Almost surely, 251860669404 is an apocalyptic number.

It is an amenable number.

51860669404 is a deficient number, since it is larger than the sum of its proper divisors (49898992964).

51860669404 is a wasteful number, since it uses less digits than its factorization.

51860669404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163 (or 7142 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 51860669404 in words is "fifty-one billion, eight hundred sixty million, six hundred sixty-nine thousand, four hundred four".

Divisors: 1 2 4 17 19 34 38 68 76 311 323 361 622 646 722 1244 1292 1444 5287 5909 6137 6793 10574 11818 12274 13586 21148 23636 24548 27172 100453 112271 115481 129067 200906 224542 230962 258134 401812 449084 461924 516268 1908607 2112623 2194139 2452273 3817214 4225246 4388278 4904546 7634428 8450492 8776556 9809092 35914591 40139837 41688641 71829182 80279674 83377282 143658364 160559348 166754564 682377229 762656903 1364754458 1525313806 2729508916 3050627612 12965167351 25930334702 51860669404