Base | Representation |
---|---|
bin | 100111110100101111… |
… | …110010011010010101 |
3 | 11002101002010110010001 |
4 | 213310233302122111 |
5 | 1200033240423441 |
6 | 31351041531301 |
7 | 3042440300014 |
oct | 476457623225 |
9 | 132332113101 |
10 | 42760873621 |
11 | 17153442284 |
12 | 8354643b31 |
13 | 40560607ab |
14 | 20d9128a7b |
15 | 11a4093731 |
hex | 9f4bf2695 |
42760873621 has 8 divisors (see below), whose sum is σ = 43054572600. Its totient is φ = 42467264448.
The previous prime is 42760873613. The next prime is 42760873627. The reversal of 42760873621 is 12637806724.
It can be written as a sum of positive squares in 4 ways, for example, as 9295659396 + 33465214225 = 96414^2 + 182935^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42760873621 - 23 = 42760873613 is a prime.
It is a super-2 number, since 2×427608736212 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42760873627) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137295 + ... + 1174291.
It is an arithmetic number, because the mean of its divisors is an integer number (5381821575).
Almost surely, 242760873621 is an apocalyptic number.
It is an amenable number.
42760873621 is a deficient number, since it is larger than the sum of its proper divisors (293698979).
42760873621 is a wasteful number, since it uses less digits than its factorization.
42760873621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44903.
The product of its (nonzero) digits is 677376, while the sum is 46.
The spelling of 42760873621 in words is "forty-two billion, seven hundred sixty million, eight hundred seventy-three thousand, six hundred twenty-one".
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