Base | Representation |
---|---|
bin | 100111001111001110… |
… | …000010110101111000 |
3 | 11000202012102022201122 |
4 | 213033032002311320 |
5 | 1142241101133112 |
6 | 31204351204412 |
7 | 3021023615654 |
oct | 471716026570 |
9 | 130665368648 |
10 | 42131271032 |
11 | 16960005564 |
12 | 81b9816708 |
13 | 3c8579ba96 |
14 | 2079677a64 |
15 | 1168b79872 |
hex | 9cf382d78 |
42131271032 has 32 divisors (see below), whose sum is σ = 79431456720. Its totient is φ = 20949788160.
The previous prime is 42131271031. The next prime is 42131271067. The reversal of 42131271032 is 23017213124.
It is a junction number, because it is equal to n+sod(n) for n = 42131270992 and 42131271010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42131271031) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1445063 + ... + 1473929.
Almost surely, 242131271032 is an apocalyptic number.
It is an amenable number.
42131271032 is a deficient number, since it is larger than the sum of its proper divisors (37300185688).
42131271032 is a wasteful number, since it uses less digits than its factorization.
42131271032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29871 (or 29867 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 26.
Adding to 42131271032 its reverse (23017213124), we get a palindrome (65148484156).
The spelling of 42131271032 in words is "forty-two billion, one hundred thirty-one million, two hundred seventy-one thousand, thirty-two".
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