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1345631025970 = 257112438941513
BaseRepresentation
bin10011100101001101110…
…110111111101100110010
311202122022100011202012001
4103211031312333230302
5134021323020312340
62510101354524214
7166134663666460
oct23451566775462
94678270152161
101345631025970
114797516a7400
1219896113666a
1399b7a97811a
14491b3959830
1525009e5e29a
hex1394ddbfb32

1345631025970 has 192 divisors, whose sum is σ = 3148501466880. Its totient is φ = 405050849280.

The previous prime is 1345631025913. The next prime is 1345631025971. The reversal of 1345631025970 is 795201365431.

It is a self number, because there is not a number n which added to its sum of digits gives 1345631025970.

It is not an unprimeable number, because it can be changed into a prime (1345631025971) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32393934 + ... + 32435446.

It is an arithmetic number, because the mean of its divisors is an integer number (16398445140).

Almost surely, 21345631025970 is an apocalyptic number.

1345631025970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345631025970 is an abundant number, since it is smaller than the sum of its proper divisors (1802870440910).

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

1345631025970 is a wasteful number, since it uses less digits than its factorization.

1345631025970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41681 (or 41670 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 1345631025970 in words is "one trillion, three hundred forty-five billion, six hundred thirty-one million, twenty-five thousand, nine hundred seventy".