Base | Representation |
---|---|
bin | 100111001111001110… |
… | …101100101011111110 |
3 | 11000202012202000211201 |
4 | 213033032230223332 |
5 | 1142241122124210 |
6 | 31204355010114 |
7 | 3021025231450 |
oct | 471716545376 |
9 | 130665660751 |
10 | 42131442430 |
11 | 16960112310 |
12 | 81b989993a |
13 | 3c8582babc |
14 | 20796c02d0 |
15 | 1168bb053a |
hex | 9cf3acafe |
42131442430 has 64 divisors (see below), whose sum is σ = 95029811712. Its totient is φ = 13065171840.
The previous prime is 42131442427. The next prime is 42131442461. The reversal of 42131442430 is 3424413124.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12817 + ... + 290563.
It is an arithmetic number, because the mean of its divisors is an integer number (1484840808).
Almost surely, 242131442430 is an apocalyptic number.
42131442430 is an abundant number, since it is smaller than the sum of its proper divisors (52898369282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42131442430 is a wasteful number, since it uses less digits than its factorization.
42131442430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 277969.
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 42131442430 its reverse (3424413124), we get a palindrome (45555855554).
The spelling of 42131442430 in words is "forty-two billion, one hundred thirty-one million, four hundred forty-two thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •