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51307050135 = 35111791737161
BaseRepresentation
bin101111110010001000…
…110111010010010111
311220102200021012100010
4233302020313102113
51320034101101020
635323052051303
73464302505355
oct576210672227
9156380235303
1051307050135
111a839546180
129b3a763b33
134ab87a5983
1426aa1687d5
1515044c8de0
hexbf2237497

51307050135 has 32 divisors (see below), whose sum is σ = 90054478080. Its totient is φ = 24737158400.

The previous prime is 51307050079. The next prime is 51307050187. The reversal of 51307050135 is 53105070315.

It is not a de Polignac number, because 51307050135 - 28 = 51307049879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 839046 + ... + 898115.

It is an arithmetic number, because the mean of its divisors is an integer number (2814202440).

Almost surely, 251307050135 is an apocalyptic number.

51307050135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51307050135 is a deficient number, since it is larger than the sum of its proper divisors (38747427945).

51307050135 is a wasteful number, since it uses less digits than its factorization.

51307050135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737359.

The product of its (nonzero) digits is 7875, while the sum is 30.

The spelling of 51307050135 in words is "fifty-one billion, three hundred seven million, fifty thousand, one hundred thirty-five".

Divisors: 1 3 5 11 15 33 55 165 179 537 895 1969 2685 5907 9845 29535 1737161 5211483 8685805 19108771 26057415 57326313 95543855 286631565 310951819 932855457 1554759095 3420470009 4664277285 10261410027 17102350045 51307050135