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10022210023 = 71431744289
BaseRepresentation
bin10010101010101111…
…01100100111100111
3221212110120000112211
421111113230213213
5131011141210043
64334254424251
7503234244130
oct112527544747
927773500484
1010022210023
114283304801
121b38502087
13c394957b7
146b10a4c87
153d9ce8a9d
hex2555ec9e7

10022210023 has 4 divisors (see below), whose sum is σ = 11453954320. Its totient is φ = 8590465728.

The previous prime is 10022209997. The next prime is 10022210063. The reversal of 10022210023 is 32001222001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32001222001 = 74571603143.

It is a cyclic number.

It is not a de Polignac number, because 10022210023 - 221 = 10020112871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022209985 and 10022210012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022210063) 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, 715872138 + ... + 715872151.

It is an arithmetic number, because the mean of its divisors is an integer number (2863488580).

Almost surely, 210022210023 is an apocalyptic number.

10022210023 is a deficient number, since it is larger than the sum of its proper divisors (1431744297).

10022210023 is an equidigital number, since it uses as much as digits as its factorization.

10022210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431744296.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10022210023 its reverse (32001222001), we get a palindrome (42023432024).

The spelling of 10022210023 in words is "ten billion, twenty-two million, two hundred ten thousand, twenty-three".

Divisors: 1 7 1431744289 10022210023