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18700860674445 = 3543275391052819
BaseRepresentation
bin1000100000010001000100…
…01010000101000110001101
32110012210012010121211210220
410100020202022011012031
54422343330313040240
6103435020133421553
73640043521660155
oct420104212050615
973183163554726
1018700860674445
115a5aa99358344
12212042849a8b9
13a586395c4421
144891ab113765
152266bb7c05d0
hex11022228518d

18700860674445 has 32 divisors (see below), whose sum is σ = 30618363916800. Its totient is φ = 9741480700224.

The previous prime is 18700860674423. The next prime is 18700860674471. The reversal of 18700860674445 is 54447606800781.

It is not a de Polignac number, because 18700860674445 - 213 = 18700860666253 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, 17236246 + ... + 18289064.

It is an arithmetic number, because the mean of its divisors is an integer number (956823872400).

Almost surely, 218700860674445 is an apocalyptic number.

18700860674445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18700860674445 is a deficient number, since it is larger than the sum of its proper divisors (11917503242355).

18700860674445 is a wasteful number, since it uses less digits than its factorization.

18700860674445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080409.

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 18700860674445 in words is "eighteen trillion, seven hundred billion, eight hundred sixty million, six hundred seventy-four thousand, four hundred forty-five".

Divisors: 1 3 5 15 43 129 215 645 27539 82617 137695 413085 1052819 1184177 3158457 3552531 5264095 5920885 15792285 17762655 45271217 135813651 226356085 679068255 28993582441 86980747323 144967912205 434903736615 1246724044963 3740172134889 6233620224815 18700860674445