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1387625013764 = 221131536932131
BaseRepresentation
bin10100001100010100111…
…001010110001000000100
311220122200222021100201022
4110030110321112020010
5140213324000420024
62541244403450312
7202152433001663
oct24142471261004
94818628240638
101387625013764
11495541165a40
121a4b20986998
13a0b10b7b302
144b238c98dda
1526166a1c35e
hex14314e56204

1387625013764 has 12 divisors (see below), whose sum is σ = 2649102299088. Its totient is φ = 630738642600.

The previous prime is 1387625013763. The next prime is 1387625013769. The reversal of 1387625013764 is 4673105267831.

It is not an unprimeable number, because it can be changed into a prime (1387625013763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15768466022 + ... + 15768466109.

It is an arithmetic number, because the mean of its divisors is an integer number (220758524924).

Almost surely, 21387625013764 is an apocalyptic number.

It is an amenable number.

1387625013764 is a deficient number, since it is larger than the sum of its proper divisors (1261477285324).

1387625013764 is a wasteful number, since it uses less digits than its factorization.

1387625013764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31536932146 (or 31536932144 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 1387625013764 in words is "one trillion, three hundred eighty-seven billion, six hundred twenty-five million, thirteen thousand, seven hundred sixty-four".

Divisors: 1 2 4 11 22 44 31536932131 63073864262 126147728524 346906253441 693812506882 1387625013764