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120922971320 = 23517177827899
BaseRepresentation
bin111000010011110010…
…0100001110010111000
3102120010022220102010102
41300213210201302320
53440122240040240
6131315022534532
711510404203614
oct1604744416270
9376108812112
10120922971320
1147312957138
121b528a37448
13b531494748
145bd1b62344
15322b01d815
hex1c27921cb8

120922971320 has 32 divisors (see below), whose sum is σ = 288081198000. Its totient is φ = 45523941888.

The previous prime is 120922971263. The next prime is 120922971331. The reversal of 120922971320 is 23179229021.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 88913270 + ... + 88914629.

Almost surely, 2120922971320 is an apocalyptic number.

120922971320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120922971320 is an abundant number, since it is smaller than the sum of its proper divisors (167158226680).

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

120922971320 is a wasteful number, since it uses less digits than its factorization.

120922971320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177827927 (or 177827923 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 120922971320 in words is "one hundred twenty billion, nine hundred twenty-two million, nine hundred seventy-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 177827899 355655798 711311596 889139495 1422623192 1778278990 3023074283 3556557980 6046148566 7113115960 12092297132 15115371415 24184594264 30230742830 60461485660 120922971320