Base | Representation |
---|---|
bin | 111001011100100101… |
… | …010101100110110101 |
3 | 12220012210010121210200 |
4 | 321130211111212311 |
5 | 2002311301140340 |
6 | 44200421111113 |
7 | 4312362302553 |
oct | 713445254665 |
9 | 186183117720 |
10 | 61682833845 |
11 | 24183396036 |
12 | bb55558499 |
13 | 5a802a6169 |
14 | 2db218abd3 |
15 | 1910365330 |
hex | e5c9559b5 |
61682833845 has 24 divisors (see below), whose sum is σ = 107065670400. Its totient is φ = 32851739616.
The previous prime is 61682833783. The next prime is 61682833853. The reversal of 61682833845 is 54833828616.
It is not a de Polignac number, because 61682833845 - 27 = 61682833717 is a prime.
It is a super-2 number, since 2×616828338452 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 61682833791 and 61682833800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 920865 + ... + 985574.
It is an arithmetic number, because the mean of its divisors is an integer number (4461069600).
Almost surely, 261682833845 is an apocalyptic number.
It is an amenable number.
61682833845 is a deficient number, since it is larger than the sum of its proper divisors (45382836555).
61682833845 is a wasteful number, since it uses less digits than its factorization.
61682833845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1907169 (or 1907166 counting only the distinct ones).
The product of its digits is 6635520, while the sum is 54.
The spelling of 61682833845 in words is "sixty-one billion, six hundred eighty-two million, eight hundred thirty-three thousand, eight hundred forty-five".
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