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1379255139025 = 52101354462197
BaseRepresentation
bin10100000100100010000…
…000110011101011010001
311212212002122212200001121
4110010202000303223101
5140044203303422100
62533342052202241
7201435141146551
oct24044200635321
94785078780047
101379255139025
11491a36629195
121a3385909381
13a00a8b138ca
144aa8342d161
1525d26d0e51a
hex14122033ad1

1379255139025 has 12 divisors (see below), whose sum is σ = 1711964731932. Its totient is φ = 1102314847040.

The previous prime is 1379255139023. The next prime is 1379255139107. The reversal of 1379255139025 is 5209315529731.

It can be written as a sum of positive squares in 6 ways, for example, as 335286163521 + 1043968975504 = 579039^2 + 1021748^2 .

It is not a de Polignac number, because 1379255139025 - 21 = 1379255139023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379255139023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27205774 + ... + 27256423.

It is an arithmetic number, because the mean of its divisors is an integer number (142663727661).

Almost surely, 21379255139025 is an apocalyptic number.

It is an amenable number.

1379255139025 is a deficient number, since it is larger than the sum of its proper divisors (332709592907).

1379255139025 is a wasteful number, since it uses less digits than its factorization.

1379255139025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54463220 (or 54463215 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 52.

The spelling of 1379255139025 in words is "one trillion, three hundred seventy-nine billion, two hundred fifty-five million, one hundred thirty-nine thousand, twenty-five".

Divisors: 1 5 25 1013 5065 25325 54462197 272310985 1361554925 55170205561 275851027805 1379255139025