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157764805135 = 57171019260207
BaseRepresentation
bin1001001011101110000…
…0111110001000001111
3120002012220022111001221
42102323200332020033
510041100242231020
6200250503144211
714253362501050
oct2227340761017
9502186274057
10157764805135
11609a9135183
12266ab145067
1311b53164902
1478c8b14727
15418561c6aa
hex24bb83e20f

157764805135 has 32 divisors (see below), whose sum is σ = 229316106240. Its totient is φ = 101717647872.

The previous prime is 157764805129. The next prime is 157764805147. The reversal of 157764805135 is 531508467751.

157764805135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 157764805135 - 217 = 157764674063 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 476202 + ... + 736408.

It is an arithmetic number, because the mean of its divisors is an integer number (7166128320).

Almost surely, 2157764805135 is an apocalyptic number.

157764805135 is a deficient number, since it is larger than the sum of its proper divisors (71551301105).

157764805135 is a wasteful number, since it uses less digits than its factorization.

157764805135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261255.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 157764805135 in words is "one hundred fifty-seven billion, seven hundred sixty-four million, eight hundred five thousand, one hundred thirty-five".

Divisors: 1 5 7 17 35 85 119 595 1019 5095 7133 17323 35665 86615 121261 260207 606305 1301035 1821449 4423519 9107245 22117595 30964633 154823165 265150933 1325754665 1856056531 4507565861 9280282655 22537829305 31552961027 157764805135