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50728868509302 = 2331949443341627
BaseRepresentation
bin10111000100011001111000…
…01011111111011001110110
320122121122002001211212211000
423202030330023333121312
523122120210314244202
6255520304231024130
713454016436502604
oct1342147413773166
9218548061755730
1050728868509302
1115188aa0858035
12583371750b046
13223c9339c9989
14c7540c97c874
155ce89333991c
hex2e233c2ff676

50728868509302 has 32 divisors (see below), whose sum is σ = 118664019907200. Its totient is φ = 16019642686824.

The previous prime is 50728868509301. The next prime is 50728868509309. The reversal of 50728868509302 is 20390586882705.

50728868509302 is a `hidden beast` number, since 50 + 72 + 8 + 8 + 6 + 8 + 509 + 3 + 0 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 50728868509302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50728868509301) 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, 24721669788 + ... + 24721671839.

It is an arithmetic number, because the mean of its divisors is an integer number (3708250622100).

Almost surely, 250728868509302 is an apocalyptic number.

50728868509302 is an abundant number, since it is smaller than the sum of its proper divisors (67935151397898).

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

50728868509302 is a wasteful number, since it uses less digits than its factorization.

50728868509302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49443341657 (or 49443341651 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 50728868509302 in words is "fifty trillion, seven hundred twenty-eight billion, eight hundred sixty-eight million, five hundred nine thousand, three hundred two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 49443341627 98886683254 148330024881 296660049762 444990074643 889980149286 939423490913 1334970223929 1878846981826 2669940447858 2818270472739 5636540945478 8454811418217 16909622836434 25364434254651 50728868509302