Base | Representation |
---|---|
bin | 1011011001011010100001… |
… | …1111011101100110011001 |
3 | 1122100222100002221112112121 |
4 | 2312112220133131212121 |
5 | 3120302443041004200 |
6 | 42352435232341241 |
7 | 2432231653053343 |
oct | 266265037354631 |
9 | 48328302845477 |
10 | 12531246422425 |
11 | 3aa1520a09a05 |
12 | 14a47810a4821 |
13 | 6cb8cb1cbac3 |
14 | 3147309c2293 |
15 | 16ae76cd7e1a |
hex | b65a87dd999 |
12531246422425 has 24 divisors (see below), whose sum is σ = 16220234945664. Its totient is φ = 9585643330560.
The previous prime is 12531246422423. The next prime is 12531246422441. The reversal of 12531246422425 is 52422464213521.
It is not a de Polignac number, because 12531246422425 - 21 = 12531246422423 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12531246422423) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2375157 + ... + 5541106.
It is an arithmetic number, because the mean of its divisors is an integer number (675843122736).
Almost surely, 212531246422425 is an apocalyptic number.
It is an amenable number.
12531246422425 is a deficient number, since it is larger than the sum of its proper divisors (3688988523239).
12531246422425 is a wasteful number, since it uses less digits than its factorization.
12531246422425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7919049 (or 7919044 counting only the distinct ones).
The product of its digits is 921600, while the sum is 43.
The spelling of 12531246422425 in words is "twelve trillion, five hundred thirty-one billion, two hundred forty-six million, four hundred twenty-two thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •