Base | Representation |
---|---|
bin | 1011110101000110000… |
… | …1100111100111100111 |
3 | 201102120112102012100212 |
4 | 2331101201213213213 |
5 | 11312204143333224 |
6 | 233210234330035 |
7 | 20453154645626 |
oct | 2752141474747 |
9 | 642515365325 |
10 | 203231230439 |
11 | 7920a805486 |
12 | 3347988991b |
13 | 1621a8a3a53 |
14 | 9b9d2b96bd |
15 | 5446e90d0e |
hex | 2f518679e7 |
203231230439 has 8 divisors (see below), whose sum is σ = 208229228928. Its totient is φ = 198235191040.
The previous prime is 203231230421. The next prime is 203231230441. The reversal of 203231230439 is 934032132302.
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 203231230439 - 212 = 203231226343 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 (203231230339) 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, 278642 + ... + 695775.
It is an arithmetic number, because the mean of its divisors is an integer number (26028653616).
Almost surely, 2203231230439 is an apocalyptic number.
203231230439 is a deficient number, since it is larger than the sum of its proper divisors (4997998489).
203231230439 is an equidigital number, since it uses as much as digits as its factorization.
203231230439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 979545.
The product of its (nonzero) digits is 23328, while the sum is 32.
The spelling of 203231230439 in words is "two hundred three billion, two hundred thirty-one million, two hundred thirty thousand, four hundred thirty-nine".
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