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125314124054021 = 710321687436867
BaseRepresentation
bin11100011111100011110111…
…110110010111111000000101
3121102200220122202201110210122
4130133203313312113320011
5112411121311224212041
61122304302554031325
735252434546305020
oct3437436766277005
9542626582643718
10125314124054021
1136a24470106891
121207a872718545
1354c00c0544946
1422d33436c41b7
15e74a944c0c4b
hex71f8f7d97e05

125314124054021 has 12 divisors (see below), whose sum is σ = 144620089335072. Its totient is φ = 106369270285176.

The previous prime is 125314124053999. The next prime is 125314124054081. The reversal of 125314124054021 is 120450421413521.

It is a de Polignac number, because none of the positive numbers 2k-125314124054021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125314124054081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 843644171 + ... + 843792696.

It is an arithmetic number, because the mean of its divisors is an integer number (12051674111256).

Almost surely, 2125314124054021 is an apocalyptic number.

It is an amenable number.

125314124054021 is a deficient number, since it is larger than the sum of its proper divisors (19305965281051).

125314124054021 is an equidigital number, since it uses as much as digits as its factorization.

125314124054021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687437080 (or 1687436977 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 125314124054021 its reverse (120450421413521), we get a palindrome (245764545467542).

The spelling of 125314124054021 in words is "one hundred twenty-five trillion, three hundred fourteen billion, one hundred twenty-four million, fifty-four thousand, twenty-one".

Divisors: 1 7 103 721 10609 74263 1687436867 11812058069 173805997301 1216641981107 17902017722003 125314124054021