Base | Representation |
---|---|
bin | 10111001100011000… |
… | …00111110100110111 |
3 | 1012010210101122021111 |
4 | 23212030013310313 |
5 | 201000134401210 |
6 | 5415330455451 |
7 | 620366110660 |
oct | 134614076467 |
9 | 35123348244 |
10 | 12451872055 |
11 | 530a836857 |
12 | 24b6134587 |
13 | 123596863c |
14 | 861a46367 |
15 | 4cd27d88a |
hex | 2e6307d37 |
12451872055 has 32 divisors (see below), whose sum is σ = 17300916864. Its totient is φ = 8426889216.
The previous prime is 12451872019. The next prime is 12451872073. The reversal of 12451872055 is 55027815421.
It is a cyclic number.
It is not a de Polignac number, because 12451872055 - 213 = 12451863863 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12451871999 and 12451872017.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1261419 + ... + 1271251.
It is an arithmetic number, because the mean of its divisors is an integer number (540653652).
Almost surely, 212451872055 is an apocalyptic number.
12451872055 is a deficient number, since it is larger than the sum of its proper divisors (4849044809).
12451872055 is an equidigital number, since it uses as much as digits as its factorization.
12451872055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10315.
The product of its (nonzero) digits is 112000, while the sum is 40.
The spelling of 12451872055 in words is "twelve billion, four hundred fifty-one million, eight hundred seventy-two thousand, fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •