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36131340852 = 22322161464437
BaseRepresentation
bin100001101001100110…
…001000001000110100
310110021001111021211100
4201221212020020310
51042444110401402
624333140010100
72416240221105
oct415146101064
9113231437740
1036131340852
1114361222182
127004390930
13353a728a39
141a6a8863ac
15e1705771c
hex869988234

36131340852 has 36 divisors (see below), whose sum is σ = 91374460996. Its totient is φ = 12038181120.

The previous prime is 36131340829. The next prime is 36131340857. The reversal of 36131340852 is 25804313163.

36131340852 is a `hidden beast` number, since 3 + 613 + 1 + 34 + 0 + 8 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31486373136 + 4644967716 = 177444^2 + 68154^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36131340857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154423 + ... + 310014.

Almost surely, 236131340852 is an apocalyptic number.

It is an amenable number.

36131340852 is an abundant number, since it is smaller than the sum of its proper divisors (55243120144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36131340852 is a wasteful number, since it uses less digits than its factorization.

36131340852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466608 (or 466603 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 36131340852 in words is "thirty-six billion, one hundred thirty-one million, three hundred forty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 2161 4322 6483 8644 12966 19449 25932 38898 77796 464437 928874 1393311 1857748 2786622 4179933 5573244 8359866 16719732 1003648357 2007296714 3010945071 4014593428 6021890142 9032835213 12043780284 18065670426 36131340852