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108078381850 = 2522161567637
BaseRepresentation
bin110010010100111111…
…0010011101100011010
3101022222011112122211111
41210221332103230122
53232321031204400
6121352302450534
710544166042115
oct1445176235432
9338864478744
10108078381850
1141921479a3a
1218b43293a4a
13a26536754a
145333ccd57c
152c285693ba
hex1929f93b1a

108078381850 has 12 divisors (see below), whose sum is σ = 201025790334. Its totient is φ = 43231352720.

The previous prime is 108078381847. The next prime is 108078381881. The reversal of 108078381850 is 58183870801.

It can be written as a sum of positive squares in 3 ways, for example, as 68918325529 + 39160056321 = 262523^2 + 197889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 108078381794 and 108078381803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1080783769 + ... + 1080783868.

Almost surely, 2108078381850 is an apocalyptic number.

108078381850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108078381850 is a deficient number, since it is larger than the sum of its proper divisors (92947408484).

108078381850 is a wasteful number, since it uses less digits than its factorization.

108078381850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161567649 (or 2161567644 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 49.

The spelling of 108078381850 in words is "one hundred eight billion, seventy-eight million, three hundred eighty-one thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 2161567637 4323135274 10807838185 21615676370 54039190925 108078381850