Base | Representation |
---|---|
bin | 100111111100000110… |
… | …0011000000000000111 |
3 | 22012101100022202002221 |
4 | 1033320030120000013 |
5 | 2401123200402411 |
6 | 103222413513211 |
7 | 6124264064233 |
oct | 1177014300007 |
9 | 265340282087 |
10 | 85768372231 |
11 | 33413012563 |
12 | 147577a2807 |
13 | 811b221719 |
14 | 4218cd15c3 |
15 | 236eb01071 |
hex | 13f8318007 |
85768372231 has 8 divisors (see below), whose sum is σ = 86731251264. Its totient is φ = 84807098880.
The previous prime is 85768372213. The next prime is 85768372237. The reversal of 85768372231 is 13227386758.
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 85768372231 - 213 = 85768364039 is a prime.
It is a super-2 number, since 2×857683722312 (a number of 23 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 (85768372237) 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, 293830 + ... + 507811.
It is an arithmetic number, because the mean of its divisors is an integer number (10841406408).
Almost surely, 285768372231 is an apocalyptic number.
85768372231 is a deficient number, since it is larger than the sum of its proper divisors (962879033).
85768372231 is a wasteful number, since it uses less digits than its factorization.
85768372231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 802841.
The product of its digits is 3386880, while the sum is 52.
The spelling of 85768372231 in words is "eighty-five billion, seven hundred sixty-eight million, three hundred seventy-two thousand, two hundred thirty-one".
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