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23002324040 = 235575058101
BaseRepresentation
bin10101011011000010…
…111001110001001000
32012101001221010120102
4111123002321301020
5334102043332130
614322255344532
71443006346133
oct253302716110
965331833512
1023002324040
119834237563
12455b522148
1322276c3c37
141182d3521a
158e961d645
hex55b0b9c48

23002324040 has 16 divisors (see below), whose sum is σ = 51755229180. Its totient is φ = 9200929600.

The previous prime is 23002324039. The next prime is 23002324057. The reversal of 23002324040 is 4042320032.

It can be written as a sum of positive squares in 2 ways, for example, as 22974677476 + 27646564 = 151574^2 + 5258^2 .

It is a super-2 number, since 2×230023240402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 287529011 + ... + 287529090.

Almost surely, 223002324040 is an apocalyptic number.

23002324040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23002324040 is an abundant number, since it is smaller than the sum of its proper divisors (28752905140).

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

23002324040 is a wasteful number, since it uses less digits than its factorization.

23002324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575058112 (or 575058108 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23002324040 its reverse (4042320032), we get a palindrome (27044644072).

The spelling of 23002324040 in words is "twenty-three billion, two million, three hundred twenty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 575058101 1150116202 2300232404 2875290505 4600464808 5750581010 11501162020 23002324040