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153918013 is a prime number
BaseRepresentation
bin10010010110010…
…01101000111101
3101201121211211011
421023021220331
5303400334023
623134555221
73546165364
oct1113115075
9351554734
10153918013
1179978977
1243668b11
1325b71362
14166287db
15d7a550d
hex92c9a3d

153918013 has 2 divisors, whose sum is σ = 153918014. Its totient is φ = 153918012.

The previous prime is 153917987. The next prime is 153918029. The reversal of 153918013 is 310819351.

153918013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149768644 + 4149369 = 12238^2 + 2037^2 .

It is a cyclic number.

It is not a de Polignac number, because 153918013 - 29 = 153917501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153918053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76959006 + 76959007.

It is an arithmetic number, because the mean of its divisors is an integer number (76959007).

Almost surely, 2153918013 is an apocalyptic number.

It is an amenable number.

153918013 is a deficient number, since it is larger than the sum of its proper divisors (1).

153918013 is an equidigital number, since it uses as much as digits as its factorization.

153918013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 153918013 is about 12406.3698558442. The cubic root of 153918013 is about 535.9157031705.

The spelling of 153918013 in words is "one hundred fifty-three million, nine hundred eighteen thousand, thirteen".