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185107013485 = 5297117980283
BaseRepresentation
bin1010110001100100111…
…1001101111101101101
3122200210102111120201021
42230121033031331231
511013044343412420
6221011553414141
716242060440152
oct2543117157555
9580712446637
10185107013485
117155a0a0a89
122ba5bb6a351
13145bca01014
148d60196229
154c35c4c7aa
hex2b193cdf6d

185107013485 has 16 divisors (see below), whose sum is σ = 233024480640. Its totient is φ = 140965410880.

The previous prime is 185107013381. The next prime is 185107013491. The reversal of 185107013485 is 584310701581.

It is not a de Polignac number, because 185107013485 - 215 = 185106980717 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8979847 + ... + 9000436.

It is an arithmetic number, because the mean of its divisors is an integer number (14564030040).

Almost surely, 2185107013485 is an apocalyptic number.

It is an amenable number.

185107013485 is a deficient number, since it is larger than the sum of its proper divisors (47917467155).

185107013485 is a wasteful number, since it uses less digits than its factorization.

185107013485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17980388.

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 185107013485 in words is "one hundred eighty-five billion, one hundred seven million, thirteen thousand, four hundred eighty-five".

Divisors: 1 5 29 71 145 355 2059 10295 17980283 89901415 521428207 1276600093 2607141035 6383000465 37021402697 185107013485