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23112342104540 = 22513169752382807
BaseRepresentation
bin1010100000101010000101…
…11100001110100111011100
310000211111222212012222220112
411100111002330032213130
511012133034034321130
6121053355142505152
74603545245302403
oct520250274164734
9100744885188815
1023112342104540
117400986642707
1227133b07351b8
13cb863b6083c0
1459c90140663a
152a131210e495
hex150542f0e9dc

23112342104540 has 48 divisors (see below), whose sum is σ = 52300252694592. Its totient is φ = 8528758941696.

The previous prime is 23112342104479. The next prime is 23112342104543. The reversal of 23112342104540 is 4540124321132.

It is a super-2 number, since 2×231123421045402 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23112342104497 and 23112342104506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112342104543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25750184 + ... + 26632623.

It is an arithmetic number, because the mean of its divisors is an integer number (1089588597804).

Almost surely, 223112342104540 is an apocalyptic number.

23112342104540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112342104540 is an abundant number, since it is smaller than the sum of its proper divisors (29187910590052).

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

23112342104540 is a wasteful number, since it uses less digits than its factorization.

23112342104540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52384526 (or 52384524 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 23112342104540 its reverse (4540124321132), we get a palindrome (27652466425672).

The spelling of 23112342104540 in words is "twenty-three trillion, one hundred twelve billion, three hundred forty-two million, one hundred four thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1697 3394 6788 8485 16970 22061 33940 44122 88244 110305 220610 441220 52382807 104765614 209531228 261914035 523828070 680976491 1047656140 1361952982 2723905964 3404882455 6809764910 13619529820 88893623479 177787246958 355574493916 444468117395 888936234790 1155617105227 1777872469580 2311234210454 4622468420908 5778085526135 11556171052270 23112342104540