Base | Representation |
---|---|
bin | 1101011101110100001… |
… | …0011110000101100001 |
3 | 211010010121011221101022 |
4 | 3113131002132011201 |
5 | 12242241432211240 |
6 | 254135451015225 |
7 | 22466601553166 |
oct | 3273502360541 |
9 | 733117157338 |
10 | 231341678945 |
11 | 8a12538a503 |
12 | 38a03a3a515 |
13 | 18a7a653030 |
14 | b2a87ba06d |
15 | 603ec729b5 |
hex | 35dd09e161 |
231341678945 has 32 divisors (see below), whose sum is σ = 300102630912. Its totient is φ = 170187927552.
The previous prime is 231341678927. The next prime is 231341678959. The reversal of 231341678945 is 549876143132.
231341678945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 231341678945 - 230 = 230267937121 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18858884 + ... + 18871146.
It is an arithmetic number, because the mean of its divisors is an integer number (9378207216).
Almost surely, 2231341678945 is an apocalyptic number.
It is an amenable number.
231341678945 is a deficient number, since it is larger than the sum of its proper divisors (68760951967).
231341678945 is a wasteful number, since it uses less digits than its factorization.
231341678945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13361.
The product of its digits is 4354560, while the sum is 53.
The spelling of 231341678945 in words is "two hundred thirty-one billion, three hundred forty-one million, six hundred seventy-eight thousand, nine hundred forty-five".
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