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20312625613425 = 352270835008179
BaseRepresentation
bin1001001111001011001101…
…10101011000101001110001
32122220212102210201011000220
410213211212311120221301
510130300224124112200
6111111254050003253
74164352540625655
oct447454665305161
978825383634026
1020312625613425
1165215996785a2
122340881276529
13b4461aa70202
145031ca110a65
152535a0b924a0
hex127966d58a71

20312625613425 has 12 divisors (see below), whose sum is σ = 33583541014320. Its totient is φ = 10833400327120.

The previous prime is 20312625613411. The next prime is 20312625613433. The reversal of 20312625613425 is 52431652621302.

It is not a de Polignac number, because 20312625613425 - 24 = 20312625613409 is a prime.

It is a super-2 number, since 2×203126256134252 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135417504015 + ... + 135417504164.

It is an arithmetic number, because the mean of its divisors is an integer number (2798628417860).

Almost surely, 220312625613425 is an apocalyptic number.

20312625613425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20312625613425 is a deficient number, since it is larger than the sum of its proper divisors (13270915400895).

20312625613425 is a wasteful number, since it uses less digits than its factorization.

20312625613425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270835008192 (or 270835008187 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 20312625613425 in words is "twenty trillion, three hundred twelve billion, six hundred twenty-five million, six hundred thirteen thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 270835008179 812505024537 1354175040895 4062525122685 6770875204475 20312625613425