Base | Representation |
---|---|
bin | 111001101011011000… |
… | …111101110011110011 |
3 | 12220212002120102011122 |
4 | 321223120331303303 |
5 | 2003313344431013 |
6 | 44241213332455 |
7 | 4321466633630 |
oct | 715330756363 |
9 | 186762512148 |
10 | 61931248883 |
11 | 242a0636a19 |
12 | 1000479712b |
13 | 5abc8b22ca |
14 | 2dd7173187 |
15 | 1927084a08 |
hex | e6b63dcf3 |
61931248883 has 16 divisors (see below), whose sum is σ = 72028569600. Its totient is φ = 52154546976.
The previous prime is 61931248853. The next prime is 61931248891. The reversal of 61931248883 is 38884213916.
It is not a de Polignac number, because 61931248883 - 224 = 61914471667 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61931248823) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246608 + ... + 429741.
It is an arithmetic number, because the mean of its divisors is an integer number (4501785600).
Almost surely, 261931248883 is an apocalyptic number.
61931248883 is a deficient number, since it is larger than the sum of its proper divisors (10097320717).
61931248883 is a wasteful number, since it uses less digits than its factorization.
61931248883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 676586.
The product of its digits is 1990656, while the sum is 53.
The spelling of 61931248883 in words is "sixty-one billion, nine hundred thirty-one million, two hundred forty-eight thousand, eight hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.150 sec. • engine limits •