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108120000930 = 23512728377953
BaseRepresentation
bin110010010110001110…
…1000100100110100010
3101100002001212010110220
41210230131010212202
53232412210012210
6121400350503510
710545212562414
oct1445435044642
9340061763426
10108120000930
1141942a15a77
1218b55204b96
13a270b7a016
1453396449b4
152c2c03ac70
hex192c7449a2

108120000930 has 32 divisors (see below), whose sum is σ = 261531224064. Its totient is φ = 28604975616.

The previous prime is 108120000893. The next prime is 108120000971. The reversal of 108120000930 is 39000021801.

It is a super-2 number, since 2×1081200009302 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108120000930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14185167 + ... + 14192786.

It is an arithmetic number, because the mean of its divisors is an integer number (8172850752).

Almost surely, 2108120000930 is an apocalyptic number.

108120000930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108120000930 is an abundant number, since it is smaller than the sum of its proper divisors (153411223134).

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

108120000930 is a wasteful number, since it uses less digits than its factorization.

108120000930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28378090.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 108120000930 in words is "one hundred eight billion, one hundred twenty million, nine hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 127 254 381 635 762 1270 1905 3810 28377953 56755906 85133859 141889765 170267718 283779530 425669295 851338590 3604000031 7208000062 10812000093 18020000155 21624000186 36040000310 54060000465 108120000930