Base | Representation |
---|---|
bin | 110100101100111101001000… |
… | …101011010110100011101000 |
3 | 1010101200200121200202020000022 |
4 | 310230331020223112203220 |
5 | 220340102222130343433 |
6 | 2140545450331300012 |
7 | 66552052523046524 |
oct | 6454751053264350 |
9 | 1111620550666008 |
10 | 231787719387368 |
11 | 6794468a99aa51 |
12 | 21bb601a2aa608 |
13 | 9c4464660b321 |
14 | 413482a796d84 |
15 | 1bbe4e56c1698 |
hex | d2cf48ad68e8 |
231787719387368 has 64 divisors (see below), whose sum is σ = 455662789243200. Its totient is φ = 110411715294720.
The previous prime is 231787719387241. The next prime is 231787719387383. The reversal of 231787719387368 is 863783917787132.
231787719387368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 231787719387292 and 231787719387301.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58052243 + ... + 61916381.
It is an arithmetic number, because the mean of its divisors is an integer number (7119731081925).
Almost surely, 2231787719387368 is an apocalyptic number.
It is an amenable number.
231787719387368 is a deficient number, since it is larger than the sum of its proper divisors (223875069855832).
231787719387368 is a wasteful number, since it uses less digits than its factorization.
231787719387368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3868482 (or 3868478 counting only the distinct ones).
The product of its digits is 3584673792, while the sum is 80.
The spelling of 231787719387368 in words is "two hundred thirty-one trillion, seven hundred eighty-seven billion, seven hundred nineteen million, three hundred eighty-seven thousand, three hundred sixty-eight".
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