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20117625640633 = 374123431565979
BaseRepresentation
bin1001001001011111111111…
…11011100001011010111001
32122020020002220212011102101
410210233333323201122321
510114101344131000013
6110441524251503401
74144310342331523
oct444577773413271
978206086764371
1020117625640633
116456923232894
12230ab20157b61
13b2c1125bc121
144d79ac0daa13
1524d48b67c8dd
hex124bffee16b9

20117625640633 has 16 divisors (see below), whose sum is σ = 21166221202560. Its totient is φ = 19095644937600.

The previous prime is 20117625640579. The next prime is 20117625640669. The reversal of 20117625640633 is 33604652671102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20117625640633 - 213 = 20117625632441 is a prime.

It is a super-2 number, since 2×201176256406332 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20117625640733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35261838 + ... + 35827816.

It is an arithmetic number, because the mean of its divisors is an integer number (1322888825160).

Almost surely, 220117625640633 is an apocalyptic number.

It is an amenable number.

20117625640633 is a deficient number, since it is larger than the sum of its proper divisors (1048595561927).

20117625640633 is a wasteful number, since it uses less digits than its factorization.

20117625640633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589488.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 20117625640633 in words is "twenty trillion, one hundred seventeen billion, six hundred twenty-five million, six hundred forty thousand, six hundred thirty-three".

Divisors: 1 37 41 1517 23431 565979 866947 960671 20941223 23205139 35544827 858590143 13261453949 490673796113 543719611909 20117625640633