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108686417852 = 2248755793849
BaseRepresentation
bin110010100111000110…
…1110001111110111100
3101101112112200002102102
41211032031301332330
53240042210332402
6121532503044232
710565231210615
oct1451615617674
9341475602372
10108686417852
1142103716431
1219092a40678
13a331317a6c
145390968c0c
152c61b23102
hex194e371fbc

108686417852 has 12 divisors (see below), whose sum is σ = 190591791600. Its totient is φ = 54231620256.

The previous prime is 108686417831. The next prime is 108686417857. The reversal of 108686417852 is 258714686801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108686417857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27894977 + ... + 27898872.

It is an arithmetic number, because the mean of its divisors is an integer number (15882649300).

Almost surely, 2108686417852 is an apocalyptic number.

It is an amenable number.

108686417852 is a deficient number, since it is larger than the sum of its proper divisors (81905373748).

108686417852 is a wasteful number, since it uses less digits than its factorization.

108686417852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55794340 (or 55794338 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 108686417852 in words is "one hundred eight billion, six hundred eighty-six million, four hundred seventeen thousand, eight hundred fifty-two".

Divisors: 1 2 4 487 974 1948 55793849 111587698 223175396 27171604463 54343208926 108686417852