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23034131240 = 235575853281
BaseRepresentation
bin10101011100111100…
…001111001100101000
32012110021210002211212
4111130330033030220
5334133214144430
614325353212252
71443543612401
oct253474171450
965407702755
1023034131240
1198501917aa
12456a101088
13223117c673
1411872549a8
158ec302b95
hex55cf0f328

23034131240 has 16 divisors (see below), whose sum is σ = 51826795380. Its totient is φ = 9213652480.

The previous prime is 23034131233. The next prime is 23034131251. The reversal of 23034131240 is 4213143032.

It can be written as a sum of positive squares in 2 ways, for example, as 21955534276 + 1078596964 = 148174^2 + 32842^2 .

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, 287926601 + ... + 287926680.

Almost surely, 223034131240 is an apocalyptic number.

23034131240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23034131240 is an abundant number, since it is smaller than the sum of its proper divisors (28792664140).

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

23034131240 is a wasteful number, since it uses less digits than its factorization.

23034131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575853292 (or 575853288 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23034131240 its reverse (4213143032), we get a palindrome (27247274272).

The spelling of 23034131240 in words is "twenty-three billion, thirty-four million, one hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 575853281 1151706562 2303413124 2879266405 4606826248 5758532810 11517065620 23034131240