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23400510553220 = 2254724894160163
BaseRepresentation
bin1010101001000010110110…
…00111100111110010000100
310001212001210210222221110012
411110201123013213302010
511031343221200200340
6121434013544445352
74633426315556243
oct524413307476204
9101761723887405
1023400510553220
117502112180319
12275b213779858
131009874160668
145ac83b05895a
152a8a7ac23565
hex15485b1e7c84

23400510553220 has 24 divisors (see below), whose sum is σ = 50186626890624. Its totient is φ = 9161050939616.

The previous prime is 23400510553207. The next prime is 23400510553223. The reversal of 23400510553220 is 2235501500432.

It is not an unprimeable number, because it can be changed into a prime (23400510553223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12447079142 + ... + 12447081021.

It is an arithmetic number, because the mean of its divisors is an integer number (2091109453776).

Almost surely, 223400510553220 is an apocalyptic number.

23400510553220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23400510553220 is an abundant number, since it is smaller than the sum of its proper divisors (26786116337404).

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

23400510553220 is a wasteful number, since it uses less digits than its factorization.

23400510553220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24894160219 (or 24894160217 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 23400510553220 in words is "twenty-three trillion, four hundred billion, five hundred ten million, five hundred fifty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 24894160163 49788320326 99576640652 124470800815 248941601630 497883203260 1170025527661 2340051055322 4680102110644 5850127638305 11700255276610 23400510553220