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125125275013 = 887801117609
BaseRepresentation
bin111010010001000001…
…1000010110110000101
3102221222012021120001221
41310202003002312011
54022224032300023
6133252020520341
712016502201104
oct1644203026605
9387865246057
10125125275013
1149079a570a2
12203002500b1
13ba50c98b8b
1460adcd803b
1533c4e0585d
hex1d220c2d85

125125275013 has 8 divisors (see below), whose sum is σ = 125289092160. Its totient is φ = 124961510880.

The previous prime is 125125274987. The next prime is 125125275017. The reversal of 125125275013 is 310572521521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125125275013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125125275013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125125275017) 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, 7096953 + ... + 7114561.

It is an arithmetic number, because the mean of its divisors is an integer number (15661136520).

Almost surely, 2125125275013 is an apocalyptic number.

It is an amenable number.

125125275013 is a deficient number, since it is larger than the sum of its proper divisors (163817147).

125125275013 is an equidigital number, since it uses as much as digits as its factorization.

125125275013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26507.

The product of its (nonzero) digits is 21000, while the sum is 34.

Adding to 125125275013 its reverse (310572521521), we get a palindrome (435697796534).

The spelling of 125125275013 in words is "one hundred twenty-five billion, one hundred twenty-five million, two hundred seventy-five thousand, thirteen".

Divisors: 1 887 8011 17609 7105757 15619183 141065699 125125275013