Base | Representation |
---|---|
bin | 1101011101101010100… |
… | …0100011010001100111 |
3 | 211010000210021000001210 |
4 | 3113122220203101213 |
5 | 12242201120030043 |
6 | 254131450122503 |
7 | 22465601602641 |
oct | 3273250432147 |
9 | 733023230053 |
10 | 231301330023 |
11 | 8a104630795 |
12 | 389b2420433 |
13 | 18a7219672a |
14 | b2a32b5891 |
15 | 603b452633 |
hex | 35daa23467 |
231301330023 has 16 divisors (see below), whose sum is σ = 312983193600. Its totient is φ = 151918646880.
The previous prime is 231301329947. The next prime is 231301330109. The reversal of 231301330023 is 320033103132.
It is not a de Polignac number, because 231301330023 - 213 = 231301321831 is a prime.
It is a super-2 number, since 2×2313013300232 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231301350023) 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, 949263 + ... + 1167776.
It is an arithmetic number, because the mean of its divisors is an integer number (19561449600).
Almost surely, 2231301330023 is an apocalyptic number.
231301330023 is a deficient number, since it is larger than the sum of its proper divisors (81681863577).
231301330023 is a wasteful number, since it uses less digits than its factorization.
231301330023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2117582.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 231301330023 its reverse (320033103132), we get a palindrome (551334433155).
The spelling of 231301330023 in words is "two hundred thirty-one billion, three hundred one million, three hundred thirty thousand, twenty-three".
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