Base | Representation |
---|---|
bin | 100111111011000111… |
… | …110000000000101001 |
3 | 11002122112100210221212 |
4 | 213323013300000221 |
5 | 1200243130143122 |
6 | 31405422042505 |
7 | 3045206305535 |
oct | 477307600051 |
9 | 132575323855 |
10 | 42867818537 |
11 | 171a8847605 |
12 | 8384419435 |
13 | 40722663cb |
14 | 2109406bc5 |
15 | 11ad66ace2 |
hex | 9fb1f0029 |
42867818537 has 4 divisors (see below), whose sum is σ = 42969642756. Its totient is φ = 42765994320.
The previous prime is 42867818533. The next prime is 42867818549. The reversal of 42867818537 is 73581876824.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3907375081 + 38960443456 = 62509^2 + 197384^2 .
It is a cyclic number.
It is not a de Polignac number, because 42867818537 - 22 = 42867818533 is a prime.
It is a super-2 number, since 2×428678185372 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42867818533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50911478 + ... + 50912319.
It is an arithmetic number, because the mean of its divisors is an integer number (10742410689).
Almost surely, 242867818537 is an apocalyptic number.
It is an amenable number.
42867818537 is a deficient number, since it is larger than the sum of its proper divisors (101824219).
42867818537 is a wasteful number, since it uses less digits than its factorization.
42867818537 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101824218.
The product of its digits is 18063360, while the sum is 59.
The spelling of 42867818537 in words is "forty-two billion, eight hundred sixty-seven million, eight hundred eighteen thousand, five hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •