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1931405022056 = 231237191951403
BaseRepresentation
bin11100000110110000101…
…101011101001101101000
320211122021221021221000102
4130012300231131031220
5223121004141201211
64035135240324532
7256353005545436
oct34066055351550
96748257257012
101931405022056
11685116868674
1227239b773748
13110191236323
14696a26d5d56
1535390e04a3b
hex1c1b0b5d368

1931405022056 has 16 divisors (see below), whose sum is σ = 3621415543200. Its totient is φ = 965694210544.

The previous prime is 1931405022049. The next prime is 1931405022073. The reversal of 1931405022056 is 6502205041391.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14051 + ... + 1965453.

It is an arithmetic number, because the mean of its divisors is an integer number (226338471450).

Almost surely, 21931405022056 is an apocalyptic number.

It is an amenable number.

1931405022056 is a deficient number, since it is larger than the sum of its proper divisors (1690010521144).

1931405022056 is a wasteful number, since it uses less digits than its factorization.

1931405022056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075128 (or 2075124 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 1931405022056 in words is "one trillion, nine hundred thirty-one billion, four hundred five million, twenty-two thousand, fifty-six".

Divisors: 1 2 4 8 123719 247438 494876 989752 1951403 3902806 7805612 15611224 241425627757 482851255514 965702511028 1931405022056