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23808006532 = 22371214913241
BaseRepresentation
bin10110001011000100…
…010101100110000100
32021110012222001011201
4112023010111212010
5342224322202112
614534240112244
71501661500522
oct261304254604
967405861151
1023808006532
11a107aa9762
124745305684
1323255b643b
14121bd3d312
15945219257
hex58b115984

23808006532 has 24 divisors (see below), whose sum is σ = 42796819800. Its totient is φ = 11580445440.

The previous prime is 23808006511. The next prime is 23808006539. The reversal of 23808006532 is 23560080832.

It can be written as a sum of positive squares in 4 ways, for example, as 22193252676 + 1614753856 = 148974^2 + 40184^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 23808006491 and 23808006500.

It is not an unprimeable number, because it can be changed into a prime (23808006539) 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, 1791432 + ... + 1804672.

It is an arithmetic number, because the mean of its divisors is an integer number (1783200825).

Almost surely, 223808006532 is an apocalyptic number.

It is an amenable number.

23808006532 is a deficient number, since it is larger than the sum of its proper divisors (18988813268).

23808006532 is a wasteful number, since it uses less digits than its factorization.

23808006532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25431 (or 25429 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 23808006532 in words is "twenty-three billion, eight hundred eight million, six thousand, five hundred thirty-two".

Divisors: 1 2 4 37 74 148 12149 13241 24298 26482 48596 52964 449513 489917 899026 979834 1798052 1959668 160864909 321729818 643459636 5952001633 11904003266 23808006532