Search a number
-
+
10121310123 = 33911386257
BaseRepresentation
bin10010110110100011…
…01110111110101011
3222010101000211022220
421123101232332223
5131212023410443
64352154445123
7505546500531
oct113321567653
928111024286
1010121310123
114324241111
121b657337a3
13c53b82802
146c0300151
153e3871a83
hex25b46efab

10121310123 has 8 divisors (see below), whose sum is σ = 13495581648. Its totient is φ = 6747289344.

The previous prime is 10121310119. The next prime is 10121310139. The reversal of 10121310123 is 32101312101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10121310123 - 22 = 10121310119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121310163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74211 + ... + 160467.

It is an arithmetic number, because the mean of its divisors is an integer number (1686947706).

Almost surely, 210121310123 is an apocalyptic number.

10121310123 is a deficient number, since it is larger than the sum of its proper divisors (3374271525).

10121310123 is an equidigital number, since it uses as much as digits as its factorization.

10121310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125373.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10121310123 its reverse (32101312101), we get a palindrome (42222622224).

The spelling of 10121310123 in words is "ten billion, one hundred twenty-one million, three hundred ten thousand, one hundred twenty-three".

Divisors: 1 3 39113 86257 117339 258771 3373770041 10121310123