Base | Representation |
---|---|
bin | 100111011001110111… |
… | …111000110001010101 |
3 | 11001012122202022020002 |
4 | 213121313320301111 |
5 | 1143122330340424 |
6 | 31234214221045 |
7 | 3025324111430 |
oct | 473167706125 |
9 | 131178668202 |
10 | 42310011989 |
11 | 16a41998263 |
12 | 8249654785 |
13 | 3cb382186b |
14 | 20952c4817 |
15 | 11796d4cae |
hex | 9d9df8c55 |
42310011989 has 16 divisors (see below), whose sum is σ = 49412982528. Its totient is φ = 35475777792.
The previous prime is 42310011983. The next prime is 42310012001. The reversal of 42310011989 is 98911001324.
It is not a de Polignac number, because 42310011989 - 212 = 42310007893 is a prime.
It is a super-2 number, since 2×423100119892 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42310011983) 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, 44177 + ... + 294230.
It is an arithmetic number, because the mean of its divisors is an integer number (3088311408).
Almost surely, 242310011989 is an apocalyptic number.
It is an amenable number.
42310011989 is a deficient number, since it is larger than the sum of its proper divisors (7102970539).
42310011989 is a wasteful number, since it uses less digits than its factorization.
42310011989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338804.
The product of its (nonzero) digits is 15552, while the sum is 38.
The spelling of 42310011989 in words is "forty-two billion, three hundred ten million, eleven thousand, nine hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •