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10220131239 = 313126005423
BaseRepresentation
bin10011000010010101…
…01101001110100111
3222101020222110102020
421201022231032213
5131412323144424
64410044514223
7511156452663
oct114112551647
928336873366
1010220131239
114374aa795a
121b9284b973
13c6b4a2846
146cd4a58a3
153ec392079
hex2612ad3a7

10220131239 has 8 divisors (see below), whose sum is σ = 13730863872. Its totient is φ = 6761409720.

The previous prime is 10220131237. The next prime is 10220131249. The reversal of 10220131239 is 93213102201.

10220131239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10220131239 - 21 = 10220131237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220131237) 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 7 ways as a sum of consecutive naturals, for example, 13002319 + ... + 13003104.

It is an arithmetic number, because the mean of its divisors is an integer number (1716357984).

Almost surely, 210220131239 is an apocalyptic number.

10220131239 is a deficient number, since it is larger than the sum of its proper divisors (3510732633).

10220131239 is a wasteful number, since it uses less digits than its factorization.

10220131239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26005557.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 10220131239 in words is "ten billion, two hundred twenty million, one hundred thirty-one thousand, two hundred thirty-nine".

Divisors: 1 3 131 393 26005423 78016269 3406710413 10220131239