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23236126240 = 255145225789
BaseRepresentation
bin10101101000111110…
…110010011000100000
32012222100212111220011
4111220332302120200
5340041422014430
614401410454304
71451545546165
oct255076623040
965870774804
1023236126240
119944207618
124605894394
132263c84a32
1411a5dd606c
1590ee0322a
hex568fb2620

23236126240 has 24 divisors (see below), whose sum is σ = 54895348620. Its totient is φ = 9294450432.

The previous prime is 23236126223. The next prime is 23236126259. The reversal of 23236126240 is 4262163232.

It can be written as a sum of positive squares in 2 ways, for example, as 23042025616 + 194100624 = 151796^2 + 13932^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72612735 + ... + 72613054.

Almost surely, 223236126240 is an apocalyptic number.

23236126240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23236126240 is an abundant number, since it is smaller than the sum of its proper divisors (31659222380).

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

23236126240 is a wasteful number, since it uses less digits than its factorization.

23236126240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145225804 (or 145225796 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 23236126240 its reverse (4262163232), we get a palindrome (27498289472).

The spelling of 23236126240 in words is "twenty-three billion, two hundred thirty-six million, one hundred twenty-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 145225789 290451578 580903156 726128945 1161806312 1452257890 2323612624 2904515780 4647225248 5809031560 11618063120 23236126240