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10022031423 = 34123728783
BaseRepresentation
bin10010101010101110…
…00001000000111111
3221212110012221120000
421111113001000333
5131011120001143
64334250525343
7503232601335
oct112527010077
927773187500
1010022031423
1142831a25a8
121b38436853
13c39432411
146b1059b55
153d9cb0bd3
hex2555c103f

10022031423 has 10 divisors (see below), whose sum is σ = 14971182864. Its totient is φ = 6681354228.

The previous prime is 10022031407. The next prime is 10022031473. The reversal of 10022031423 is 32413022001.

It is not a de Polignac number, because 10022031423 - 24 = 10022031407 is a prime.

It is a super-2 number, since 2×100220314232 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10022031396 and 10022031405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022031473) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61864311 + ... + 61864472.

Almost surely, 210022031423 is an apocalyptic number.

10022031423 is a deficient number, since it is larger than the sum of its proper divisors (4949151441).

10022031423 is an equidigital number, since it uses as much as digits as its factorization.

10022031423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123728795 (or 123728786 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10022031423 its reverse (32413022001), we get a palindrome (42435053424).

The spelling of 10022031423 in words is "ten billion, twenty-two million, thirty-one thousand, four hundred twenty-three".

Divisors: 1 3 9 27 81 123728783 371186349 1113559047 3340677141 10022031423