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121031313272260 = 2257438144772091
BaseRepresentation
bin11011100001001111001100…
…011011110010110111000100
3120212112110222022122111122221
4123201033030123302313010
5111330434112144203020
61105225003455302124
734331136525311146
oct3341171433626704
9525473868574587
10121031313272260
1135623101076006
12116a8819b1a944
13526c285b91681
1421c5d380d8c96
15ded47ee586aa
hex6e13cc6f2dc4

121031313272260 has 24 divisors (see below), whose sum is σ = 254507838330816. Its totient is φ = 48347367126240.

The previous prime is 121031313272183. The next prime is 121031313272327. The reversal of 121031313272260 is 62272313130121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072371186 + ... + 4072400905.

It is an arithmetic number, because the mean of its divisors is an integer number (10604493263784).

Almost surely, 2121031313272260 is an apocalyptic number.

121031313272260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121031313272260 is an abundant number, since it is smaller than the sum of its proper divisors (133476525058556).

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

121031313272260 is a wasteful number, since it uses less digits than its factorization.

121031313272260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8144772843 (or 8144772841 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 121031313272260 in words is "one hundred twenty-one trillion, thirty-one billion, three hundred thirteen million, two hundred seventy-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 743 1486 2972 3715 7430 14860 8144772091 16289544182 32579088364 40723860455 81447720910 162895441820 6051565663613 12103131327226 24206262654452 30257828318065 60515656636130 121031313272260