Base | Representation |
---|---|
bin | 11000010011101100… |
… | …11001010001011001 |
3 | 1020200111011121201121 |
4 | 30021312121101121 |
5 | 203211314443441 |
6 | 5554542045241 |
7 | 641252332252 |
oct | 141166312131 |
9 | 36614147647 |
10 | 13050156121 |
11 | 55975224a2 |
12 | 2642579821 |
13 | 12cc8b3192 |
14 | 8bb2a3b29 |
15 | 515a5cdd1 |
hex | 309d99459 |
13050156121 has 2 divisors, whose sum is σ = 13050156122. Its totient is φ = 13050156120.
The previous prime is 13050156109. The next prime is 13050156157. The reversal of 13050156121 is 12165105031.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9247707225 + 3802448896 = 96165^2 + 61664^2 .
It is an emirp because it is prime and its reverse (12165105031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13050156121 - 25 = 13050156089 is a prime.
It is not a weakly prime, because it can be changed into another prime (13050156181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6525078060 + 6525078061.
It is an arithmetic number, because the mean of its divisors is an integer number (6525078061).
Almost surely, 213050156121 is an apocalyptic number.
It is an amenable number.
13050156121 is a deficient number, since it is larger than the sum of its proper divisors (1).
13050156121 is an equidigital number, since it uses as much as digits as its factorization.
13050156121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 900, while the sum is 25.
The spelling of 13050156121 in words is "thirteen billion, fifty million, one hundred fifty-six thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •