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20125464713137 = 7231311687956533
BaseRepresentation
bin1001001001101110100110…
…01011001101011110110001
32122020222100020110022022001
410210313103023031132301
510114213422431310022
6110445302202214001
74145005530340360
oct444672313153661
978228306408261
1020125464713137
11645a186185003
1223105494b4301
13b2ca916a8574
144d81132737d7
1524d79998ab27
hex124dd32cd7b1

20125464713137 has 32 divisors (see below), whose sum is σ = 24185625108480. Its totient is φ = 16373164167360.

The previous prime is 20125464713129. The next prime is 20125464713243. The reversal of 20125464713137 is 73131746452102.

It is not a de Polignac number, because 20125464713137 - 23 = 20125464713129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20125464713437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355966723 + ... + 356023255.

It is an arithmetic number, because the mean of its divisors is an integer number (755800784640).

Almost surely, 220125464713137 is an apocalyptic number.

It is an amenable number.

20125464713137 is a deficient number, since it is larger than the sum of its proper divisors (4060160395343).

20125464713137 is a wasteful number, since it uses less digits than its factorization.

20125464713137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73573.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 20125464713137 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-four million, seven hundred thirteen thousand, one hundred thirty-seven".

Divisors: 1 7 23 131 161 917 3013 16879 21091 56533 118153 388217 395731 1300259 2211149 2717519 7405823 9101813 15478043 50856427 51840761 170333929 355994989 954220507 1192337503 6679543549 21947071661 125002886417 153629501627 875020204919 2875066387591 20125464713137