Base | Representation |
---|---|
bin | 111001100011010010… |
… | …010011010100001111 |
3 | 12220111121201200202002 |
4 | 321203102103110033 |
5 | 2003024043043424 |
6 | 44215515222515 |
7 | 4315226151353 |
oct | 714322232417 |
9 | 186447650662 |
10 | 61795284239 |
11 | 24230910747 |
12 | bb87147a3b |
13 | 5a9a688960 |
14 | 2dc309d463 |
15 | 191a178cae |
hex | e6349350f |
61795284239 has 16 divisors (see below), whose sum is σ = 71010962400. Its totient is φ = 53299316736.
The previous prime is 61795284203. The next prime is 61795284281. The reversal of 61795284239 is 93248259716.
61795284239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-61795284239 is a prime.
It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61795289239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695554 + ... + 1731615.
It is an arithmetic number, because the mean of its divisors is an integer number (4438185150).
Almost surely, 261795284239 is an apocalyptic number.
61795284239 is a deficient number, since it is larger than the sum of its proper divisors (9215678161).
61795284239 is a wasteful number, since it uses less digits than its factorization.
61795284239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3427274.
The product of its digits is 6531840, while the sum is 56.
The spelling of 61795284239 in words is "sixty-one billion, seven hundred ninety-five million, two hundred eighty-four thousand, two hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •