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36612523121 is a prime number
BaseRepresentation
bin100010000110010001…
…101100010001110001
310111111120220212210212
4202012101230101301
51044440301214441
624453005233505
72434202211626
oct420621542161
9114446825725
1036612523121
11145888a6579
127119562895
1335b6322885
141ab474034d
15e44404eeb
hex88646c471

36612523121 has 2 divisors, whose sum is σ = 36612523122. Its totient is φ = 36612523120.

The previous prime is 36612523111. The next prime is 36612523141. The reversal of 36612523121 is 12132521663.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31840476721 + 4772046400 = 178439^2 + 69080^2 .

It is a cyclic number.

It is not a de Polignac number, because 36612523121 - 230 = 35538781297 is a prime.

It is not a weakly prime, because it can be changed into another prime (36612523111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18306261560 + 18306261561.

It is an arithmetic number, because the mean of its divisors is an integer number (18306261561).

Almost surely, 236612523121 is an apocalyptic number.

It is an amenable number.

36612523121 is a deficient number, since it is larger than the sum of its proper divisors (1).

36612523121 is an equidigital number, since it uses as much as digits as its factorization.

36612523121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The spelling of 36612523121 in words is "thirty-six billion, six hundred twelve million, five hundred twenty-three thousand, one hundred twenty-one".