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22004031023 = 132235660929
BaseRepresentation
bin10100011111100010…
…101101111000101111
32002210111110120222222
4110133202231320233
5330031012443043
614035234425555
71406165114642
oct243742557057
962714416888
1022004031023
11937177a207
1243211322bb
1320c8933a00
1410ca50da59
1588bb77d68
hex51f8ade2f

22004031023 has 12 divisors (see below), whose sum is σ = 24862804560. Its totient is φ = 19428304896.

The previous prime is 22004031019. The next prime is 22004031037. The reversal of 22004031023 is 32013040022.

It is not a de Polignac number, because 22004031023 - 22 = 22004031019 is a prime.

It is a super-2 number, since 2×220040310232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22004030992 and 22004031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004031013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2826578 + ... + 2834351.

It is an arithmetic number, because the mean of its divisors is an integer number (2071900380).

Almost surely, 222004031023 is an apocalyptic number.

22004031023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22004031023 is a deficient number, since it is larger than the sum of its proper divisors (2858773537).

22004031023 is a wasteful number, since it uses less digits than its factorization.

22004031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660978 (or 5660965 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22004031023 its reverse (32013040022), we get a palindrome (54017071045).

The spelling of 22004031023 in words is "twenty-two billion, four million, thirty-one thousand, twenty-three".

Divisors: 1 13 23 169 299 3887 5660929 73592077 130201367 956697001 1692617771 22004031023