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18882516101 = 377121313373
BaseRepresentation
bin10001100101011111…
…000101010010000101
31210201221210012112012
4101211133011102011
5302132411003401
612401405504005
71235632511231
oct214537052205
953657705465
1018882516101
11800a762909
1237ab872005
131a1c014b67
14cb1b155c1
15757ace8bb
hex4657c5485

18882516101 has 16 divisors (see below), whose sum is σ = 19681054848. Its totient is φ = 18099547200.

The previous prime is 18882516077. The next prime is 18882516109. The reversal of 18882516101 is 10161528881.

It is a de Polignac number, because none of the positive numbers 2k-18882516101 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18882516109) 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, 5596451 + ... + 5599823.

It is an arithmetic number, because the mean of its divisors is an integer number (1230065928).

Almost surely, 218882516101 is an apocalyptic number.

It is an amenable number.

18882516101 is a deficient number, since it is larger than the sum of its proper divisors (798538747).

18882516101 is a wasteful number, since it uses less digits than its factorization.

18882516101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612.

The product of its (nonzero) digits is 30720, while the sum is 41.

The spelling of 18882516101 in words is "eighteen billion, eight hundred eighty-two million, five hundred sixteen thousand, one hundred one".

Divisors: 1 37 71 2131 2627 3373 78847 124801 151301 239483 5598137 7187863 8860871 265950931 510338273 18882516101