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31635426053 = 7111572616877
BaseRepresentation
bin11101011101100111…
…100100101100000101
310000122201122011011102
4131131213210230011
51004242132113203
622311052545445
72166645453560
oct353547445405
9100581564142
1031635426053
1112464411910
12616a782285
132ca215281a
1417617214d7
15c524c4888
hex75d9e4b05

31635426053 has 16 divisors (see below), whose sum is σ = 39692805504. Its totient is φ = 24493959360.

The previous prime is 31635426041. The next prime is 31635426091. The reversal of 31635426053 is 35062453613.

It is not a de Polignac number, because 31635426053 - 28 = 31635425797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31635425998 and 31635426016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31635426553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296350 + ... + 1320527.

It is an arithmetic number, because the mean of its divisors is an integer number (2480800344).

Almost surely, 231635426053 is an apocalyptic number.

It is an amenable number.

31635426053 is a deficient number, since it is larger than the sum of its proper divisors (8057379451).

31635426053 is a wasteful number, since it uses less digits than its factorization.

31635426053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617052.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 31635426053 its reverse (35062453613), we get a palindrome (66697879666).

The spelling of 31635426053 in words is "thirty-one billion, six hundred thirty-five million, four hundred twenty-six thousand, fifty-three".

Divisors: 1 7 11 77 157 1099 1727 12089 2616877 18318139 28785647 201499529 410849689 2875947823 4519346579 31635426053