Base | Representation |
---|---|
bin | 110100100101000011101100… |
… | …110010000011101111101101 |
3 | 1010022202210210110121100202002 |
4 | 310211003230302003233231 |
5 | 220302204241002342112 |
6 | 2135452254123342045 |
7 | 66464620651254251 |
oct | 6445035462035755 |
9 | 1108683713540662 |
10 | 231245011762157 |
11 | 6775550565a628 |
12 | 21b289ba681925 |
13 | 9c05407484903 |
14 | 411646554a261 |
15 | 1bb03305171c2 |
hex | d250ecc83bed |
231245011762157 has 16 divisors (see below), whose sum is σ = 245815669382400. Its totient is φ = 217120584098880.
The previous prime is 231245011762081. The next prime is 231245011762183. The reversal of 231245011762157 is 751267110542132.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-231245011762157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231245011762757) 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, 55585307 + ... + 59600472.
It is an arithmetic number, because the mean of its divisors is an integer number (15363479336400).
Almost surely, 2231245011762157 is an apocalyptic number.
It is an amenable number.
231245011762157 is a deficient number, since it is larger than the sum of its proper divisors (14570657620243).
231245011762157 is a wasteful number, since it uses less digits than its factorization.
231245011762157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115187716.
The product of its (nonzero) digits is 705600, while the sum is 47.
The spelling of 231245011762157 in words is "two hundred thirty-one trillion, two hundred forty-five billion, eleven million, seven hundred sixty-two thousand, one hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •