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156345013 = 1141615683
BaseRepresentation
bin10010101000110…
…10001010110101
3101220012011001001
421110122022311
5310011020023
623303003301
73605624236
oct1124321265
9356164031
10156345013
1180286360
1244439531
1326510c56
1416a9b08d
15dad46ad
hex951a2b5

156345013 has 16 divisors (see below), whose sum is σ = 177613632. Its totient is φ = 136368000.

The previous prime is 156345011. The next prime is 156345023. The reversal of 156345013 is 310543651.

It is a cyclic number.

It is not a de Polignac number, because 156345013 - 21 = 156345011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156345011) 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 15 ways as a sum of consecutive naturals, for example, 24670 + ... + 30352.

It is an arithmetic number, because the mean of its divisors is an integer number (11100852).

Almost surely, 2156345013 is an apocalyptic number.

It is an amenable number.

156345013 is a deficient number, since it is larger than the sum of its proper divisors (21268619).

156345013 is a wasteful number, since it uses less digits than its factorization.

156345013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 156345013 is about 12503.7999424175. The cubic root of 156345013 is about 538.7178233484.

Adding to 156345013 its reverse (310543651), we get a palindrome (466888664).

The spelling of 156345013 in words is "one hundred fifty-six million, three hundred forty-five thousand, thirteen".

Divisors: 1 11 41 61 451 671 2501 5683 27511 62513 233003 346663 2563033 3813293 14213183 156345013