Base | Representation |
---|---|
bin | 110100100001101010110011… |
… | …011010011010110111101010 |
3 | 1010021221112122220121101000010 |
4 | 310201222303122122313222 |
5 | 220234400310440430442 |
6 | 2135153300414552350 |
7 | 66442034466561225 |
oct | 6441526332326752 |
9 | 1107845586541003 |
10 | 231012121030122 |
11 | 67675765936663 |
12 | 21aab843b086b6 |
13 | 9bb9470c26223 |
14 | 410909113c5bc |
15 | 1ba924e7aab9c |
hex | d21ab369adea |
231012121030122 has 8 divisors (see below), whose sum is σ = 462024242060256. Its totient is φ = 77004040343372.
The previous prime is 231012121030121. The next prime is 231012121030129. The reversal of 231012121030122 is 221030121210132.
It is a sphenic number, since it is the product of 3 distinct primes.
231012121030122 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (231012121030121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19251010085838 + ... + 19251010085849.
It is an arithmetic number, because the mean of its divisors is an integer number (57753030257532).
Almost surely, 2231012121030122 is an apocalyptic number.
231012121030122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231012121030122 is a wasteful number, since it uses less digits than its factorization.
231012121030122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38502020171692.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 231012121030122 its reverse (221030121210132), we get a palindrome (452042242240254).
The spelling of 231012121030122 in words is "two hundred thirty-one trillion, twelve billion, one hundred twenty-one million, thirty thousand, one hundred twenty-two".
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