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BaseRepresentation
bin111010100011010111…
…0100001011000100001
3110000120002012221200121
41311012232201120201
54030004101331230
6133433042320241
712040653623230
oct1650656413041
9400502187617
10125740652065
1149365357a76
1220452359081
13bb1b619902
14612b924b17
15340de5e77a
hex1d46ba1621

125740652065 has 32 divisors (see below), whose sum is σ = 185581407744. Its totient is φ = 79819914240.

The previous prime is 125740652053. The next prime is 125740652069. The reversal of 125740652065 is 560256047521.

Adding to 125740652065 its reverse (560256047521), we get a palindrome (685996699586).

It is a de Polignac number, because none of the positive numbers 2k-125740652065 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125740652069) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1695909 + ... + 1768498.

It is an arithmetic number, because the mean of its divisors is an integer number (5799418992).

Almost surely, 2125740652065 is an apocalyptic number.

It is an amenable number.

125740652065 is a deficient number, since it is larger than the sum of its proper divisors (59840755679).

125740652065 is a wasteful number, since it uses less digits than its factorization.

125740652065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464497.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 125740652065 in words is "one hundred twenty-five billion, seven hundred forty million, six hundred fifty-two thousand, sixty-five".