Base | Representation |
---|---|
bin | 10111100100101001… |
… | …10101110101011011 |
3 | 1012122222112012200221 |
4 | 23302110311311123 |
5 | 201404300444001 |
6 | 5451442540511 |
7 | 625420561354 |
oct | 136224656533 |
9 | 35588465627 |
10 | 12655484251 |
11 | 54047666a3 |
12 | 2552367737 |
13 | 1268bb8b27 |
14 | 880ac8d2b |
15 | 4e109d1a1 |
hex | 2f2535d5b |
12655484251 has 2 divisors, whose sum is σ = 12655484252. Its totient is φ = 12655484250.
The previous prime is 12655484221. The next prime is 12655484269. The reversal of 12655484251 is 15248455621.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12655484251 - 219 = 12654959963 is a prime.
It is a super-2 number, since 2×126554842512 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12655484198 and 12655484207.
It is not a weakly prime, because it can be changed into another prime (12655484221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327742125 + 6327742126.
It is an arithmetic number, because the mean of its divisors is an integer number (6327742126).
Almost surely, 212655484251 is an apocalyptic number.
12655484251 is a deficient number, since it is larger than the sum of its proper divisors (1).
12655484251 is an equidigital number, since it uses as much as digits as its factorization.
12655484251 is an evil number, because the sum of its binary digits is even.
The product of its digits is 384000, while the sum is 43.
The spelling of 12655484251 in words is "twelve billion, six hundred fifty-five million, four hundred eighty-four thousand, two hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •