Base | Representation |
---|---|
bin | 11011101111010110100101… |
… | …11110011000010010010100 |
3 | 21222222121101020022210202101 |
4 | 31313223102332120102110 |
5 | 30443413330231334211 |
6 | 333423152500251444 |
7 | 15564103230123631 |
oct | 1567532276302224 |
9 | 258877336283671 |
10 | 61000665105556 |
11 | 18489267193710 |
12 | 6a124073a0b84 |
13 | 28064518896c7 |
14 | 110c63b233188 |
15 | 70bb798e75c1 |
hex | 377ad2f98494 |
61000665105556 has 48 divisors (see below), whose sum is σ = 116602183571328. Its totient is φ = 27692746300800.
The previous prime is 61000665105551. The next prime is 61000665105563. The reversal of 61000665105556 is 65550156600016.
It is a super-2 number, since 2×610006651055562 (a number of 28 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61000665105551) 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, 117443466 + ... + 117961726.
It is an arithmetic number, because the mean of its divisors is an integer number (2429212157736).
Almost surely, 261000665105556 is an apocalyptic number.
It is an amenable number.
61000665105556 is a deficient number, since it is larger than the sum of its proper divisors (55601518465772).
61000665105556 is a wasteful number, since it uses less digits than its factorization.
61000665105556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521632 (or 521630 counting only the distinct ones).
The product of its (nonzero) digits is 810000, while the sum is 46.
The spelling of 61000665105556 in words is "sixty-one trillion, six hundred sixty-five million, one hundred five thousand, five hundred fifty-six".
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