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108789390860 = 22514936506507
BaseRepresentation
bin110010101010001011…
…0100101111000001100
3101101210201102122211112
41211110112211320030
53240300041001420
6121551022111152
710600621364513
oct1452426457014
9341721378745
10108789390860
1142156858597
121910141b4b8
13a34975c837
1453a04d167a
152c6abb38c5
hex19545a5e0c

108789390860 has 24 divisors (see below), whose sum is σ = 229991000400. Its totient is φ = 43223703104.

The previous prime is 108789390833. The next prime is 108789390883. The reversal of 108789390860 is 68093987801.

It is a self number, because there is not a number n which added to its sum of digits gives 108789390860.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18250274 + ... + 18256233.

It is an arithmetic number, because the mean of its divisors is an integer number (9582958350).

Almost surely, 2108789390860 is an apocalyptic number.

108789390860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108789390860 is an abundant number, since it is smaller than the sum of its proper divisors (121201609540).

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

108789390860 is a wasteful number, since it uses less digits than its factorization.

108789390860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36506665 (or 36506663 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 108789390860 in words is "one hundred eight billion, seven hundred eighty-nine million, three hundred ninety thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 36506507 73013014 146026028 182532535 365065070 730130140 5439469543 10878939086 21757878172 27197347715 54394695430 108789390860