Base | Representation |
---|---|
bin | 11101010001111010101… |
… | …000011000010100011011 |
3 | 21010100120212002020112022 |
4 | 131101322220120110123 |
5 | 230431241114202001 |
6 | 4140202535005055 |
7 | 265240523442125 |
oct | 35217250302433 |
9 | 7110525066468 |
10 | 2012102100251 |
11 | 7063671a8931 |
12 | 285b60b0978b |
13 | 1179818c6639 |
14 | 6d559c88215 |
15 | 375156ba11b |
hex | 1d47aa1851b |
2012102100251 has 2 divisors, whose sum is σ = 2012102100252. Its totient is φ = 2012102100250.
The previous prime is 2012102100181. The next prime is 2012102100293. The reversal of 2012102100251 is 1520012012102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2012102100251 - 214 = 2012102083867 is a prime.
It is not a weakly prime, because it can be changed into another prime (2012102100451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006051050125 + 1006051050126.
It is an arithmetic number, because the mean of its divisors is an integer number (1006051050126).
Almost surely, 22012102100251 is an apocalyptic number.
2012102100251 is a deficient number, since it is larger than the sum of its proper divisors (1).
2012102100251 is an equidigital number, since it uses as much as digits as its factorization.
2012102100251 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 80, while the sum is 17.
Adding to 2012102100251 its reverse (1520012012102), we get a palindrome (3532114112353).
The spelling of 2012102100251 in words is "two trillion, twelve billion, one hundred two million, one hundred thousand, two hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •