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108070821816 = 2337883571223
BaseRepresentation
bin110010010100110000…
…1011101111110111000
3101022221122022120102020
41210221201131332320
53232312112244231
6121351432434440
710544044554156
oct1445141357670
9338848276366
10108070821816
1141918185a81
1218b40848a20
13a26391b459
145332cc23d6
152c27a74396
hex192985dfb8

108070821816 has 32 divisors (see below), whose sum is σ = 270211800960. Its totient is φ = 36018974432.

The previous prime is 108070821797. The next prime is 108070821893. The reversal of 108070821816 is 618128070801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96420 + ... + 474803.

It is an arithmetic number, because the mean of its divisors is an integer number (8444118780).

Almost surely, 2108070821816 is an apocalyptic number.

It is an amenable number.

108070821816 is an abundant number, since it is smaller than the sum of its proper divisors (162140979144).

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

108070821816 is a wasteful number, since it uses less digits than its factorization.

108070821816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579115 (or 579111 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 42.

The spelling of 108070821816 in words is "one hundred eight billion, seventy million, eight hundred twenty-one thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 7883 15766 23649 31532 47298 63064 94596 189192 571223 1142446 1713669 2284892 3427338 4569784 6854676 13709352 4502950909 9005901818 13508852727 18011803636 27017705454 36023607272 54035410908 108070821816