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125311113241 = 671870315123
BaseRepresentation
bin111010010110100011…
…1111101100000011001
3102222110010222010012021
41310231013331200121
54023114121110431
6133322300014441
712024216613366
oct1645507754031
9388403863167
10125311113241
1149164947106
1220352531421
13ba80635222
1460ca87146d
1533d63b3b11
hex1d2d1fd819

125311113241 has 4 divisors (see below), whose sum is σ = 127181428432. Its totient is φ = 123440798052.

The previous prime is 125311113227. The next prime is 125311113251. The reversal of 125311113241 is 142311113521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125311113241 - 25 = 125311113209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125311113251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935157495 + ... + 935157628.

It is an arithmetic number, because the mean of its divisors is an integer number (31795357108).

Almost surely, 2125311113241 is an apocalyptic number.

It is an amenable number.

125311113241 is a deficient number, since it is larger than the sum of its proper divisors (1870315191).

125311113241 is an equidigital number, since it uses as much as digits as its factorization.

125311113241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870315190.

The product of its digits is 720, while the sum is 25.

Adding to 125311113241 its reverse (142311113521), we get a palindrome (267622226762).

The spelling of 125311113241 in words is "one hundred twenty-five billion, three hundred eleven million, one hundred thirteen thousand, two hundred forty-one".

Divisors: 1 67 1870315123 125311113241