Base | Representation |
---|---|
bin | 111001100100000101… |
… | …111010100000000010 |
3 | 12220112120012002012101 |
4 | 321210011322200002 |
5 | 2003041024022312 |
6 | 44221121221014 |
7 | 4315452152101 |
oct | 714405724002 |
9 | 186476162171 |
10 | 61808814082 |
11 | 24238511934 |
12 | bb8b79176a |
13 | 5aa0415092 |
14 | 2dc4bc2038 |
15 | 191b44ca57 |
hex | e6417a802 |
61808814082 has 16 divisors (see below), whose sum is σ = 97625979360. Its totient is φ = 29267924832.
The previous prime is 61808814049. The next prime is 61808814113. The reversal of 61808814082 is 28041880816.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161883 + ... + 387070.
It is an arithmetic number, because the mean of its divisors is an integer number (6101623710).
Almost surely, 261808814082 is an apocalyptic number.
61808814082 is a deficient number, since it is larger than the sum of its proper divisors (35817165278).
61808814082 is a wasteful number, since it uses less digits than its factorization.
61808814082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 551937.
The product of its (nonzero) digits is 196608, while the sum is 46.
The spelling of 61808814082 in words is "sixty-one billion, eight hundred eight million, eight hundred fourteen thousand, eighty-two".
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