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23745283460 = 2251769839069
BaseRepresentation
bin10110000111010101…
…000100010110000100
32021021211221101021222
4112013111010112010
5342112243032320
614524115455512
71500300402443
oct260725042604
967254841258
1023745283460
11a085658a08
1247282b7598
1323155c4bb2
141213892d5a
1593e979825
hex587544584

23745283460 has 24 divisors (see below), whose sum is σ = 52798336920. Its totient is φ = 8939400704.

The previous prime is 23745283379. The next prime is 23745283519. The reversal of 23745283460 is 6438254732.

It can be written as a sum of positive squares in 4 ways, for example, as 529276036 + 23216007424 = 23006^2 + 152368^2 .

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, 34919195 + ... + 34919874.

It is an arithmetic number, because the mean of its divisors is an integer number (2199930705).

Almost surely, 223745283460 is an apocalyptic number.

23745283460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23745283460 is an abundant number, since it is smaller than the sum of its proper divisors (29053053460).

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

23745283460 is a wasteful number, since it uses less digits than its factorization.

23745283460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69839095 (or 69839093 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 23745283460 in words is "twenty-three billion, seven hundred forty-five million, two hundred eighty-three thousand, four hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 69839069 139678138 279356276 349195345 698390690 1187264173 1396781380 2374528346 4749056692 5936320865 11872641730 23745283460