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125123041313 = 19232337011753
BaseRepresentation
bin111010010000111101…
…0100001100000100001
3102221222001002002000022
41310201322201200201
54022222444310223
6133251501003225
712016444205624
oct1644172414041
9387861062008
10125123041313
1149078770966
12202bb553515
13ba5069626a
1460ad8b5dbb
1533c4b13ac8
hex1d21ea1821

125123041313 has 32 divisors (see below), whose sum is σ = 138300514560. Its totient is φ = 112671820800.

The previous prime is 125123041297. The next prime is 125123041333. The reversal of 125123041313 is 313140321521.

It is a cyclic number.

It is not a de Polignac number, because 125123041313 - 24 = 125123041297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125123041333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71375645 + ... + 71377397.

It is an arithmetic number, because the mean of its divisors is an integer number (4321891080).

Almost surely, 2125123041313 is an apocalyptic number.

It is an amenable number.

125123041313 is a deficient number, since it is larger than the sum of its proper divisors (13177473247).

125123041313 is a wasteful number, since it uses less digits than its factorization.

125123041313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 125123041313 its reverse (313140321521), we get a palindrome (438263362834).

The spelling of 125123041313 in words is "one hundred twenty-five billion, one hundred twenty-three million, forty-one thousand, three hundred thirteen".

Divisors: 1 19 23 233 437 701 1753 4427 5359 13319 16123 33307 40319 101821 163333 306337 408449 766061 1228853 3103327 3756659 7760531 9394327 23348207 28263619 71376521 178492213 286322749 537008761 5440132231 6585423227 125123041313