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10022110231 = 71431730033
BaseRepresentation
bin10010101010101110…
…10100010000010111
3221212110100221122211
421111113110100113
5131011130011411
64334252334251
7503233350160
oct112527242027
927773327584
1010022110231
114283246831
121b38474387
13c3945c253
146b107a767
153d9cc9221
hex2555d4417

10022110231 has 4 divisors (see below), whose sum is σ = 11453840272. Its totient is φ = 8590380192.

The previous prime is 10022110169. The next prime is 10022110243. The reversal of 10022110231 is 13201122001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10022110231 - 221 = 10020013079 is a prime.

It is a super-2 number, since 2×100221102312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022110831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715865010 + ... + 715865023.

It is an arithmetic number, because the mean of its divisors is an integer number (2863460068).

Almost surely, 210022110231 is an apocalyptic number.

10022110231 is a deficient number, since it is larger than the sum of its proper divisors (1431730041).

10022110231 is an equidigital number, since it uses as much as digits as its factorization.

10022110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431730040.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10022110231 its reverse (13201122001), we get a palindrome (23223232232).

The spelling of 10022110231 in words is "ten billion, twenty-two million, one hundred ten thousand, two hundred thirty-one".

Divisors: 1 7 1431730033 10022110231