Base | Representation |
---|---|
bin | 111001101100000001… |
… | …100000010101110100 |
3 | 12220212211120022221200 |
4 | 321230001200111310 |
5 | 2003324110013314 |
6 | 44242233212500 |
7 | 4321656155004 |
oct | 715401402564 |
9 | 186784508850 |
10 | 61941876084 |
11 | 242a6635330 |
12 | 10008261130 |
13 | 5ac1b634aa |
14 | 2dd873c004 |
15 | 1927e83709 |
hex | e6c060574 |
61941876084 has 72 divisors (see below), whose sum is σ = 170862601728. Its totient is φ = 18764421120.
The previous prime is 61941876067. The next prime is 61941876089. The reversal of 61941876084 is 48067814916.
61941876084 is a `hidden beast` number, since 6 + 19 + 4 + 18 + 7 + 608 + 4 = 666.
It is a super-3 number, since 3×619418760843 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 61941876084.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61941876089) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1346349 + ... + 1391595.
Almost surely, 261941876084 is an apocalyptic number.
It is an amenable number.
61941876084 is an abundant number, since it is smaller than the sum of its proper divisors (108920725644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61941876084 is a wasteful number, since it uses less digits than its factorization.
61941876084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48725 (or 48720 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 54.
The spelling of 61941876084 in words is "sixty-one billion, nine hundred forty-one million, eight hundred seventy-six thousand, eighty-four".
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