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22923031020 = 2235382050517
BaseRepresentation
bin10101010110010100…
…011011000111101100
32012011112201121222220
4111112110123013230
5333421243443040
614310344035340
71441024356141
oct252624330754
965145647886
1022923031020
1197a34a953a
124538a62b50
1322141505a6
1411765b43c8
158e26a92d0
hex55651b1ec

22923031020 has 24 divisors (see below), whose sum is σ = 64184487024. Its totient is φ = 6112808256.

The previous prime is 22923031009. The next prime is 22923031031. The reversal of 22923031020 is 2013032922.

It is an interprime number because it is at equal distance from previous prime (22923031009) and next prime (22923031031).

It is a super-2 number, since 2×229230310202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191025199 + ... + 191025318.

It is an arithmetic number, because the mean of its divisors is an integer number (2674353626).

Almost surely, 222923031020 is an apocalyptic number.

22923031020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22923031020 is an abundant number, since it is smaller than the sum of its proper divisors (41261456004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22923031020 is a wasteful number, since it uses less digits than its factorization.

22923031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382050529 (or 382050527 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 22923031020 its reverse (2013032922), we get a palindrome (24936063942).

The spelling of 22923031020 in words is "twenty-two billion, nine hundred twenty-three million, thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 382050517 764101034 1146151551 1528202068 1910252585 2292303102 3820505170 4584606204 5730757755 7641010340 11461515510 22923031020