Base | Representation |
---|---|
bin | 111011110100000101… |
… | …101000011111010101 |
3 | 20010202221000201222101 |
4 | 323310011220133111 |
5 | 2023013003100123 |
6 | 45300541202101 |
7 | 4432355411665 |
oct | 736405503725 |
9 | 203687021871 |
10 | 64224659413 |
11 | 25268167222 |
12 | 10544860331 |
13 | 6096a8b065 |
14 | 31739a81a5 |
15 | 1a0d5a3aad |
hex | ef41687d5 |
64224659413 has 2 divisors, whose sum is σ = 64224659414. Its totient is φ = 64224659412.
The previous prime is 64224659407. The next prime is 64224659437. The reversal of 64224659413 is 31495642246.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 58970294244 + 5254365169 = 242838^2 + 72487^2 .
It is a cyclic number.
It is not a de Polignac number, because 64224659413 - 25 = 64224659381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64224659813) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32112329706 + 32112329707.
It is an arithmetic number, because the mean of its divisors is an integer number (32112329707).
Almost surely, 264224659413 is an apocalyptic number.
It is an amenable number.
64224659413 is a deficient number, since it is larger than the sum of its proper divisors (1).
64224659413 is an equidigital number, since it uses as much as digits as its factorization.
64224659413 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1244160, while the sum is 46.
The spelling of 64224659413 in words is "sixty-four billion, two hundred twenty-four million, six hundred fifty-nine thousand, four hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •