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108939486040 = 235711198272251
BaseRepresentation
bin110010101110101001…
…1001010001101011000
3101102012011212021201021
41211131103022031120
53241102002023130
6122013543132224
710604423232010
oct1453523121530
9342164767637
10108939486040
11422235552a0
1219143744074
13a371892b58
1453b6402c40
152c78e6137a
hex195d4ca358

108939486040 has 256 divisors, whose sum is σ = 322212556800. Its totient is φ = 32114880000.

The previous prime is 108939486013. The next prime is 108939486067. The reversal of 108939486040 is 40684939801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (108939486013) and next prime (108939486067).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48394915 + ... + 48397165.

It is an arithmetic number, because the mean of its divisors is an integer number (1258642800).

Almost surely, 2108939486040 is an apocalyptic number.

108939486040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108939486040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161106278400).

108939486040 is an abundant number, since it is smaller than the sum of its proper divisors (213273070760).

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

108939486040 is a wasteful number, since it uses less digits than its factorization.

108939486040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126 (or 3122 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 108939486040 in words is "one hundred eight billion, nine hundred thirty-nine million, four hundred eighty-six thousand, forty".