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23040440130 = 235768014671
BaseRepresentation
bin10101011101010100…
…010011011101000010
32012110201122122000110
4111131110103131002
5334141323041010
614330140332150
71443651336561
oct253524233502
965421578013
1023040440130
119853800764
124570244056
13223257b136
141188017bd8
158ecb4c120
hex55d513742

23040440130 has 16 divisors (see below), whose sum is σ = 55297056384. Its totient is φ = 6144117360.

The previous prime is 23040440083. The next prime is 23040440147. The reversal of 23040440130 is 3104404032.

It is a super-2 number, since 2×230404401302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23040440097 and 23040440106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384007306 + ... + 384007365.

It is an arithmetic number, because the mean of its divisors is an integer number (3456066024).

Almost surely, 223040440130 is an apocalyptic number.

23040440130 is an abundant number, since it is smaller than the sum of its proper divisors (32256616254).

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

23040440130 is a wasteful number, since it uses less digits than its factorization.

23040440130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768014681.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23040440130 its reverse (3104404032), we get a palindrome (26144844162).

The spelling of 23040440130 in words is "twenty-three billion, forty million, four hundred forty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 768014671 1536029342 2304044013 3840073355 4608088026 7680146710 11520220065 23040440130