Base | Representation |
---|---|
bin | 111001000101100100… |
… | …010001101011011011 |
3 | 12212012212111221211012 |
4 | 321011210101223123 |
5 | 2001013422222033 |
6 | 44054224324135 |
7 | 4266663115553 |
oct | 710544215333 |
9 | 185185457735 |
10 | 61296679643 |
11 | 23aa5417731 |
12 | ba6817364b |
13 | 5a1b2a1a54 |
14 | 2d76b8c163 |
15 | 18db4d9248 |
hex | e45911adb |
61296679643 has 8 divisors (see below), whose sum is σ = 61354122000. Its totient is φ = 61239266208.
The previous prime is 61296679601. The next prime is 61296679687. The reversal of 61296679643 is 34697669216.
61296679643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61296679643 - 26 = 61296679579 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61296679693) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7099253 + ... + 7107881.
It is an arithmetic number, because the mean of its divisors is an integer number (7669265250).
Almost surely, 261296679643 is an apocalyptic number.
61296679643 is a deficient number, since it is larger than the sum of its proper divisors (57442357).
61296679643 is a wasteful number, since it uses less digits than its factorization.
61296679643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14461.
The product of its digits is 17635968, while the sum is 59.
The spelling of 61296679643 in words is "sixty-one billion, two hundred ninety-six million, six hundred seventy-nine thousand, six hundred forty-three".
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