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120931203912 = 2335038800163
BaseRepresentation
bin111000010100000001…
…1111011101101001000
3102120010220101200010020
41300220003323231020
53440131342011122
6131315515220440
711510534162421
oct1605003735510
9376126350106
10120931203912
114731756a432
121b52b747720
13b5330b79bc
145bd2ca6648
15322bae7c5c
hex1c280fbb48

120931203912 has 16 divisors (see below), whose sum is σ = 302328009840. Its totient is φ = 40310401296.

The previous prime is 120931203901. The next prime is 120931203989. The reversal of 120931203912 is 219302139021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519400058 + ... + 2519400105.

It is an arithmetic number, because the mean of its divisors is an integer number (18895500615).

Almost surely, 2120931203912 is an apocalyptic number.

120931203912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120931203912 is an abundant number, since it is smaller than the sum of its proper divisors (181396805928).

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

120931203912 is a wasteful number, since it uses less digits than its factorization.

120931203912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038800172 (or 5038800168 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 120931203912 in words is "one hundred twenty billion, nine hundred thirty-one million, two hundred three thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 5038800163 10077600326 15116400489 20155200652 30232800978 40310401304 60465601956 120931203912