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190790874807 = 31329168692197
BaseRepresentation
bin1011000110110000000…
…1011011011010110111
3200020110112200122122120
42301230001123122313
511111214430443212
6223351554331023
716532655451341
oct2615401333267
9606415618576
10190790874807
1173a06525135
1230b87589a73
1314cb743b280
14933cdd0291
154e69c3988c
hex2c6c05b6b7

190790874807 has 16 divisors (see below), whose sum is σ = 283402892640. Its totient is φ = 113361155712.

The previous prime is 190790874793. The next prime is 190790874817. The reversal of 190790874807 is 708478097091.

It is not a de Polignac number, because 190790874807 - 210 = 190790873783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190790874817) 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, 84344968 + ... + 84347229.

It is an arithmetic number, because the mean of its divisors is an integer number (17712680790).

Almost surely, 2190790874807 is an apocalyptic number.

190790874807 is a deficient number, since it is larger than the sum of its proper divisors (92612017833).

190790874807 is a wasteful number, since it uses less digits than its factorization.

190790874807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168692242.

The product of its (nonzero) digits is 7112448, while the sum is 60.

The spelling of 190790874807 in words is "one hundred ninety billion, seven hundred ninety million, eight hundred seventy-four thousand, eight hundred seven".

Divisors: 1 3 13 29 39 87 377 1131 168692197 506076591 2192998561 4892073713 6578995683 14676221139 63596958269 190790874807