Base | Representation |
---|---|
bin | 111001100111100111… |
… | …100001000010011100 |
3 | 12220200200110201101000 |
4 | 321213213201002130 |
5 | 2003201144014312 |
6 | 44231032550300 |
7 | 4320100635462 |
oct | 714747410234 |
9 | 186620421330 |
10 | 61867954332 |
11 | 24268935878 |
12 | bba7552390 |
13 | 5aac750902 |
14 | 2dcc9b8832 |
15 | 1921730adc |
hex | e679e109c |
61867954332 has 24 divisors (see below), whose sum is σ = 160398400400. Its totient is φ = 20622651408.
The previous prime is 61867954331. The next prime is 61867954387. The reversal of 61867954332 is 23345976816.
61867954332 is a `hidden beast` number, since 6 + 1 + 8 + 67 + 9 + 543 + 32 = 666.
61867954332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61867954331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286425607 + ... + 286425822.
Almost surely, 261867954332 is an apocalyptic number.
It is an amenable number.
61867954332 is an abundant number, since it is smaller than the sum of its proper divisors (98530446068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61867954332 is a wasteful number, since it uses less digits than its factorization.
61867954332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572851442 (or 572851434 counting only the distinct ones).
The product of its digits is 6531840, while the sum is 54.
The spelling of 61867954332 in words is "sixty-one billion, eight hundred sixty-seven million, nine hundred fifty-four thousand, three hundred thirty-two".
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