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23072024860 = 2256717217929
BaseRepresentation
bin10101011111001100…
…110010100100011100
32012112221002022010021
4111133030302210130
5334222414243420
614333225321524
71444513655413
oct253714624434
965487068107
1023072024860
11986a613845
12457a9362a4
132238c89521
14118c2ba47a
159007da7aa
hex55f33291c

23072024860 has 24 divisors (see below), whose sum is σ = 49174408080. Its totient is φ = 9091065984.

The previous prime is 23072024839. The next prime is 23072024869. The reversal of 23072024860 is 6842027032.

It is a super-2 number, since 2×230720248602 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072024869) 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, 8607625 + ... + 8610304.

It is an arithmetic number, because the mean of its divisors is an integer number (2048933670).

Almost surely, 223072024860 is an apocalyptic number.

23072024860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23072024860 is an abundant number, since it is smaller than the sum of its proper divisors (26102383220).

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

23072024860 is a wasteful number, since it uses less digits than its factorization.

23072024860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17218005 (or 17218003 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 23072024860 in words is "twenty-three billion, seventy-two million, twenty-four thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 17217929 34435858 68871716 86089645 172179290 344358580 1153601243 2307202486 4614404972 5768006215 11536012430 23072024860