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187345933086 = 231315715298541
BaseRepresentation
bin1010111001111010110…
…0000001001100011110
3122220120110102111000110
42232132230001030132
511032141024324321
6222022053310450
716351415104434
oct2563654011436
9586513374013
10187345933086
11724a8993464
1230385935426
131488880b510
1490d3684d54
154d175a6176
hex2b9eb0131e

187345933086 has 32 divisors (see below), whose sum is σ = 406084498848. Its totient is φ = 57277733760.

The previous prime is 187345933079. The next prime is 187345933147. The reversal of 187345933086 is 680339543781.

187345933086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 7637025 + ... + 7661516.

It is an arithmetic number, because the mean of its divisors is an integer number (12690140589).

Almost surely, 2187345933086 is an apocalyptic number.

187345933086 is an abundant number, since it is smaller than the sum of its proper divisors (218738565762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

187345933086 is a wasteful number, since it uses less digits than its factorization.

187345933086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15298716.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 187345933086 in words is "one hundred eighty-seven billion, three hundred forty-five million, nine hundred thirty-three thousand, eighty-six".

Divisors: 1 2 3 6 13 26 39 78 157 314 471 942 2041 4082 6123 12246 15298541 30597082 45895623 91791246 198881033 397762066 596643099 1193286198 2401870937 4803741874 7205612811 14411225622 31224322181 62448644362 93672966543 187345933086