Base | Representation |
---|---|
bin | 100111100100110000… |
… | …100111110011111100 |
3 | 11001200101102121221010 |
4 | 213210300213303330 |
5 | 1144011110010032 |
6 | 31304301035220 |
7 | 3033002424030 |
oct | 474460476374 |
9 | 131611377833 |
10 | 42492656892 |
11 | 17025aa7064 |
12 | 829a855b10 |
13 | 401261057a |
14 | 20b166a1c0 |
15 | 118a761ccc |
hex | 9e4c27cfc |
42492656892 has 48 divisors (see below), whose sum is σ = 113378784512. Its totient is φ = 12133791360.
The previous prime is 42492656863. The next prime is 42492656893. The reversal of 42492656892 is 29865629424.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42492656893) 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, 2967 + ... + 291537.
Almost surely, 242492656892 is an apocalyptic number.
42492656892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
42492656892 is an abundant number, since it is smaller than the sum of its proper divisors (70886127620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42492656892 is a wasteful number, since it uses less digits than its factorization.
42492656892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290338 (or 290336 counting only the distinct ones).
The product of its digits is 14929920, while the sum is 57.
The spelling of 42492656892 in words is "forty-two billion, four hundred ninety-two million, six hundred fifty-six thousand, eight hundred ninety-two".
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