Base | Representation |
---|---|
bin | 100111011100111110… |
… | …001001111111111100 |
3 | 11001100021112220122000 |
4 | 213130332021333330 |
5 | 1143224132041233 |
6 | 31243312222300 |
7 | 3026524643322 |
oct | 473476117774 |
9 | 131307486560 |
10 | 42361987068 |
11 | 16a69267975 |
12 | 8262b3a990 |
13 | 3cc151bc4b |
14 | 209c173d12 |
15 | 117e04ed13 |
hex | 9dcf89ffc |
42361987068 has 24 divisors (see below), whose sum is σ = 109827374160. Its totient is φ = 14120662320.
The previous prime is 42361987067. The next prime is 42361987099. The reversal of 42361987068 is 86078916324.
42361987068 is a `hidden beast` number, since 423 + 6 + 1 + 98 + 70 + 68 = 666.
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 (42361987067) 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, 196120203 + ... + 196120418.
It is an arithmetic number, because the mean of its divisors is an integer number (4576140590).
Almost surely, 242361987068 is an apocalyptic number.
It is an amenable number.
42361987068 is an abundant number, since it is smaller than the sum of its proper divisors (67465387092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42361987068 is a wasteful number, since it uses less digits than its factorization.
42361987068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392240634 (or 392240626 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 54.
The spelling of 42361987068 in words is "forty-two billion, three hundred sixty-one million, nine hundred eighty-seven thousand, sixty-eight".
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