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23470522540 = 22519477183223
BaseRepresentation
bin10101110110111100…
…111100000010101100
32020120200221002011121
4111312330330002230
5341031423210130
614440542430324
71460423102263
oct256674740254
966520832147
1023470522540
119a54552a73
1246702923a4
1322a06c307a
1411c91ad5da
159257a3d7a
hex576f3c0ac

23470522540 has 192 divisors, whose sum is σ = 54623600640. Its totient is φ = 8440830720.

The previous prime is 23470522433. The next prime is 23470522549. The reversal of 23470522540 is 4522507432.

It is a junction number, because it is equal to n+sod(n) for n = 23470522496 and 23470522505.

It is not an unprimeable number, because it can be changed into a prime (23470522549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105248869 + ... + 105249091.

It is an arithmetic number, because the mean of its divisors is an integer number (284497920).

Almost surely, 223470522540 is an apocalyptic number.

23470522540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23470522540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27311800320).

23470522540 is an abundant number, since it is smaller than the sum of its proper divisors (31153078100).

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

23470522540 is a wasteful number, since it uses less digits than its factorization.

23470522540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The spelling of 23470522540 in words is "twenty-three billion, four hundred seventy million, five hundred twenty-two thousand, five hundred forty".