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51568907103 = 32710314515477
BaseRepresentation
bin110000000001101111…
…110001001101011111
311221002220222220120100
4300001233301031133
51321103120011403
635405044352143
73503632322640
oct600157611537
9157086886510
1051568907103
111a96333819a
129bb23a5653
134b2ab0a21c
1426d2c4d6c7
15151c4a12a3
hexc01bf135f

51568907103 has 48 divisors (see below), whose sum is σ = 86031069696. Its totient is φ = 29156414400.

The previous prime is 51568907101. The next prime is 51568907113. The reversal of 51568907103 is 30170986515.

It is a happy number.

51568907103 is a `hidden beast` number, since 515 + 68 + 9 + 0 + 71 + 0 + 3 = 666.

It is not a de Polignac number, because 51568907103 - 21 = 51568907101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51568907101) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 9412801 + ... + 9418277.

It is an arithmetic number, because the mean of its divisors is an integer number (1792313952).

Almost surely, 251568907103 is an apocalyptic number.

51568907103 is a deficient number, since it is larger than the sum of its proper divisors (34462162593).

51568907103 is a wasteful number, since it uses less digits than its factorization.

51568907103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044 (or 7041 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 51568907103 in words is "fifty-one billion, five hundred sixty-eight million, nine hundred seven thousand, one hundred three".

Divisors: 1 3 7 9 21 63 103 309 721 927 1451 2163 4353 5477 6489 10157 13059 16431 30471 38339 49293 91413 115017 149453 345051 448359 564131 1046171 1345077 1692393 3138513 3948917 5077179 7947127 9415539 11846751 23841381 35540253 55629889 71524143 166889667 500669001 818554081 2455662243 5729878567 7366986729 17189635701 51568907103