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153012013 = 71112715647
BaseRepresentation
bin10010001111011…
…00011100101101
3101122220211000121
421013230130231
5303132341023
623103324541
73535403110
oct1107543455
9348824017
10153012013
117940a210
12432b0751
1325914b6b
1416470577
15d676d5d
hex91ec72d

153012013 has 16 divisors (see below), whose sum is σ = 192282624. Its totient is φ = 118283760.

The previous prime is 153011941. The next prime is 153012023. The reversal of 153012013 is 310210351.

It is not a de Polignac number, because 153012013 - 213 = 153003821 is a prime.

It is a super-2 number, since 2×1530120132 = 46825352244624338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153012023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956 + ... + 17602.

It is an arithmetic number, because the mean of its divisors is an integer number (12017664).

Almost surely, 2153012013 is an apocalyptic number.

It is an amenable number.

153012013 is a deficient number, since it is larger than the sum of its proper divisors (39270611).

153012013 is a wasteful number, since it uses less digits than its factorization.

153012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15792.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 153012013 is about 12369.8024640655. The cubic root of 153012013 is about 534.8621218633.

Adding to 153012013 its reverse (310210351), we get a palindrome (463222364).

The spelling of 153012013 in words is "one hundred fifty-three million, twelve thousand, thirteen".

Divisors: 1 7 11 77 127 889 1397 9779 15647 109529 172117 1204819 1987169 13910183 21858859 153012013