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10121010129 = 331722050131
BaseRepresentation
bin10010110110100001…
…00101101111010001
3222010100110120211000
421123100211233101
5131211434311004
64352144212213
7505544111106
oct113320455721
928110416730
1010121010129
11432405678a
121b6560a069
13c53aa90b9
146c0262aad
153e3812c39
hex25b425bd1

10121010129 has 16 divisors (see below), whose sum is σ = 15876095040. Its totient is φ = 6350437440.

The previous prime is 10121010113. The next prime is 10121010149. The reversal of 10121010129 is 92101012101.

It is a happy number.

10121010129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10121010129 - 24 = 10121010113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10121010149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11024607 + ... + 11025524.

It is an arithmetic number, because the mean of its divisors is an integer number (992255940).

Almost surely, 210121010129 is an apocalyptic number.

It is an amenable number.

10121010129 is a deficient number, since it is larger than the sum of its proper divisors (5755084911).

10121010129 is a wasteful number, since it uses less digits than its factorization.

10121010129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22050157 (or 22050151 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 10121010129 in words is "ten billion, one hundred twenty-one million, ten thousand, one hundred twenty-nine".

Divisors: 1 3 9 17 27 51 153 459 22050131 66150393 198451179 374852227 595353537 1124556681 3373670043 10121010129