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23020444132 = 2273126521249
BaseRepresentation
bin10101011100001000…
…000001100111100100
32012102100000201122221
4111130020001213210
5334121213203012
614324144002124
71443316355320
oct253410014744
965370021587
1023020444132
119843493444
124565600344
13222b39979a
1411854d0980
158eaeec507
hex55c2019e4

23020444132 has 24 divisors (see below), whose sum is σ = 47526080000. Its totient is φ = 9547649280.

The previous prime is 23020444087. The next prime is 23020444169. The reversal of 23020444132 is 23144402032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23020444097 and 23020444106.

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, 13259757 + ... + 13261492.

Almost surely, 223020444132 is an apocalyptic number.

It is an amenable number.

23020444132 is an abundant number, since it is smaller than the sum of its proper divisors (24505635868).

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

23020444132 is a wasteful number, since it uses less digits than its factorization.

23020444132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26521291 (or 26521289 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23020444132 its reverse (23144402032), we get a palindrome (46164846164).

The spelling of 23020444132 in words is "twenty-three billion, twenty million, four hundred forty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 26521249 53042498 106084996 185648743 371297486 742594972 822158719 1644317438 3288634876 5755111033 11510222066 23020444132