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129153013 = 11193111987
BaseRepresentation
bin1111011001010…
…11011111110101
3100000000122121221
413230223133311
5231030344023
620452110341
73125532253
oct754533765
9300018557
10129153013
11669a3630
12373053b1
13209b0102
141321d5d3
15b51285d
hex7b2b7f5

129153013 has 16 divisors (see below), whose sum is σ = 148861440. Its totient is φ = 110818800.

The previous prime is 129153007. The next prime is 129153049. The reversal of 129153013 is 310351921.

It is a cyclic number.

It is not a de Polignac number, because 129153013 - 217 = 129021941 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 (129153083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64006 + ... + 65992.

It is an arithmetic number, because the mean of its divisors is an integer number (9303840).

Almost surely, 2129153013 is an apocalyptic number.

It is an amenable number.

129153013 is a deficient number, since it is larger than the sum of its proper divisors (19708427).

129153013 is a wasteful number, since it uses less digits than its factorization.

129153013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 129153013 is about 11364.5507170323. The cubic root of 129153013 is about 505.4771336037.

The spelling of 129153013 in words is "one hundred twenty-nine million, one hundred fifty-three thousand, thirteen".

Divisors: 1 11 19 209 311 1987 3421 5909 21857 37753 64999 415283 617957 6797527 11741183 129153013