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51031664150 = 2521039909061
BaseRepresentation
bin101111100001101110…
…010110011000010110
311212201111002010210012
4233201232112120112
51314003101223100
635235453400222
73454416662645
oct574156263026
9155644063705
1051031664150
111a708053655
129a82499072
134a7371549c
14268176135c
1514da22d135
hexbe1b96616

51031664150 has 24 divisors (see below), whose sum is σ = 95840447664. Its totient is φ = 20214482400.

The previous prime is 51031664137. The next prime is 51031664171. The reversal of 51031664150 is 5146613015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4949381 + ... + 4959680.

It is an arithmetic number, because the mean of its divisors is an integer number (3993351986).

Almost surely, 251031664150 is an apocalyptic number.

51031664150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51031664150 is a deficient number, since it is larger than the sum of its proper divisors (44808783514).

51031664150 is a wasteful number, since it uses less digits than its factorization.

51031664150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909176 (or 9909171 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 51031664150 in words is "fifty-one billion, thirty-one million, six hundred sixty-four thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 103 206 515 1030 2575 5150 9909061 19818122 49545305 99090610 247726525 495453050 1020633283 2041266566 5103166415 10206332830 25515832075 51031664150