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20313132650625 = 35491731181039
BaseRepresentation
bin1001001111001100001010…
…00011100101000010000001
32122220220202010210022022110
410213212011003211002001
510130302243424310000
6111111420241325533
74164401235442353
oct447460503450201
978826663708273
1020313132650625
116521829901101
1223409a30368a9
13b4469bb1a419
145032375b90d3
152535d044a850
hex1279850e5081

20313132650625 has 40 divisors (see below), whose sum is σ = 33848105639040. Its totient is φ = 10832480536000.

The previous prime is 20313132650599. The next prime is 20313132650627. The reversal of 20313132650625 is 52605623131302.

It is not a de Polignac number, because 20313132650625 - 26 = 20313132650561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20313132650627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16608856 + ... + 17789894.

It is an arithmetic number, because the mean of its divisors is an integer number (846202640976).

Almost surely, 220313132650625 is an apocalyptic number.

20313132650625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20313132650625 is a deficient number, since it is larger than the sum of its proper divisors (13534972988415).

20313132650625 is an equidigital number, since it uses as much as digits as its factorization.

20313132650625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190235 (or 1190220 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

Adding to 20313132650625 its reverse (52605623131302), we get a palindrome (72918755781927).

The spelling of 20313132650625 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-two million, six hundred fifty thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 625 1875 9173 27519 45865 137595 229325 687975 1146625 1181039 3439875 3543117 5733125 5905195 17199375 17715585 29525975 88577925 147629875 442889625 738149375 2214448125 10833670747 32501012241 54168353735 162505061205 270841768675 812525306025 1354208843375 4062626530125 6771044216875 20313132650625