Search a number
-
+
51086353327428 = 22367478431328099
BaseRepresentation
bin10111001110110011101111…
…11100010110010101000100
320200212210210210121020102010
423213121313330112111010
523143444322422434203
6300352425143214220
713521603313353216
oct1347316774262504
9220783723536363
1051086353327428
11153066676a8a91
125890a64447370
13226756516bc63
14c888424d05b6
155d8d17522303
hex2e7677f16544

51086353327428 has 48 divisors (see below), whose sum is σ = 120983237625600. Its totient is φ = 16774260232224.

The previous prime is 51086353327421. The next prime is 51086353327433. The reversal of 51086353327428 is 82472335368015.

It is not an unprimeable number, because it can be changed into a prime (51086353327421) 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, 37801723 + ... + 39129821.

It is an arithmetic number, because the mean of its divisors is an integer number (2520484117200).

Almost surely, 251086353327428 is an apocalyptic number.

It is an amenable number.

51086353327428 is an abundant number, since it is smaller than the sum of its proper divisors (69896884298172).

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

51086353327428 is a wasteful number, since it uses less digits than its factorization.

51086353327428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376016 (or 1376014 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 51086353327428 in words is "fifty-one trillion, eighty-six billion, three hundred fifty-three million, three hundred twenty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 47843 95686 143529 191372 287058 574116 1328099 2656198 3205481 3984297 5312396 6410962 7968594 9616443 12821924 15937188 19232886 38465772 88982633 177965266 266947899 355930532 533895798 1067791596 63540240457 127080480914 190620721371 254160961828 381241442742 762482885484 4257196110619 8514392221238 12771588331857 17028784442476 25543176663714 51086353327428