Base | Representation |
---|---|
bin | 100111001100110111… |
… | …011100011010100100 |
3 | 11000122110010120201121 |
4 | 213030313130122210 |
5 | 1142200444321121 |
6 | 31200421103324 |
7 | 3020034220600 |
oct | 471467343244 |
9 | 130573116647 |
10 | 42091792036 |
11 | 1693a7a0398 |
12 | 81a8557b44 |
13 | 3c7a558428 |
14 | 207431c500 |
15 | 116547c141 |
hex | 9ccddc6a4 |
42091792036 has 72 divisors (see below), whose sum is σ = 87267620160. Its totient is φ = 17707459392.
The previous prime is 42091792027. The next prime is 42091792049. The reversal of 42091792036 is 63029719024.
It is a junction number, because it is equal to n+sod(n) for n = 42091791983 and 42091792001.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9214225 + ... + 9218791.
It is an arithmetic number, because the mean of its divisors is an integer number (1212050280).
Almost surely, 242091792036 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42091792036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43633810080).
42091792036 is an abundant number, since it is smaller than the sum of its proper divisors (45175828124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42091792036 is a wasteful number, since it uses less digits than its factorization.
42091792036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5441 (or 5432 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 43.
The spelling of 42091792036 in words is "forty-two billion, ninety-one million, seven hundred ninety-two thousand, thirty-six".
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