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23135525412 = 2232131904721
BaseRepresentation
bin10101100010111111…
…000001101000100100
32012201100120110111120
4111202333001220210
5334340143303122
614343414333540
71446214502256
oct254277015044
965640513446
1023135525412
1198a244573a
12459805a2b0
13224919090c
1411968c9cd6
1590618075c
hex562fc1a24

23135525412 has 24 divisors (see below), whose sum is σ = 54008284512. Its totient is φ = 7708214400.

The previous prime is 23135525411. The next prime is 23135525423. The reversal of 23135525412 is 21452553132.

It is not an unprimeable number, because it can be changed into a prime (23135525411) 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, 426789 + ... + 477932.

It is an arithmetic number, because the mean of its divisors is an integer number (2250345188).

Almost surely, 223135525412 is an apocalyptic number.

It is an amenable number.

23135525412 is an abundant number, since it is smaller than the sum of its proper divisors (30872759100).

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

23135525412 is a wasteful number, since it uses less digits than its factorization.

23135525412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906859 (or 906857 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The spelling of 23135525412 in words is "twenty-three billion, one hundred thirty-five million, five hundred twenty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 2131 4262 6393 8524 12786 25572 904721 1809442 2714163 3618884 5428326 10856652 1927960451 3855920902 5783881353 7711841804 11567762706 23135525412