Base | Representation |
---|---|
bin | 110100100110010011000011… |
… | …100110100100111001110110 |
3 | 1010100001221201210101010121000 |
4 | 310212103003212210321312 |
5 | 220310103242334413220 |
6 | 2135555345220504130 |
7 | 66504025336306113 |
oct | 6446230346447166 |
9 | 1110057653333530 |
10 | 231330220232310 |
11 | 677886606113a1 |
12 | 21b4141a84b046 |
13 | 9c104666a9a14 |
14 | 411a629d3190a |
15 | 1bb266adbb390 |
hex | d264c39a4e76 |
231330220232310 has 128 divisors (see below), whose sum is σ = 625343234636160. Its totient is φ = 60841827053568.
The previous prime is 231330220232303. The next prime is 231330220232351. The reversal of 231330220232310 is 13232022033132.
231330220232310 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 302 + 20 + 2 + 323 + 10 = 666.
231330220232310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2313302202323102 (a number of 30 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1515878932 + ... + 1516031528.
It is an arithmetic number, because the mean of its divisors is an integer number (4885494020595).
Almost surely, 2231330220232310 is an apocalyptic number.
231330220232310 is an abundant number, since it is smaller than the sum of its proper divisors (394013014403850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231330220232310 is a wasteful number, since it uses less digits than its factorization.
231330220232310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229599 (or 229593 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 27.
Adding to 231330220232310 its reverse (13232022033132), we get a palindrome (244562242265442).
The spelling of 231330220232310 in words is "two hundred thirty-one trillion, three hundred thirty billion, two hundred twenty million, two hundred thirty-two thousand, three hundred ten".
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