Base | Representation |
---|---|
bin | 11011100101010011111110… |
… | …101111010000101100011000 |
3 | 120220112020202011201201111220 |
4 | 123211103332233100230120 |
5 | 111400031101002011412 |
6 | 1110001353344052040 |
7 | 34360311564206103 |
oct | 3345237657205430 |
9 | 526466664651456 |
10 | 121311330110232 |
11 | 357209342a3969 |
12 | 11732b47004020 |
13 | 528c7bc95c742 |
14 | 21d56dd29973a |
15 | e058bd0c568c |
hex | 6e54febd0b18 |
121311330110232 has 64 divisors (see below), whose sum is σ = 306794072928000. Its totient is φ = 39970884426624.
The previous prime is 121311330110231. The next prime is 121311330110237. The reversal of 121311330110232 is 232011033113121.
It is a super-2 number, since 2×1213113301102322 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121311330110231) 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, 78634108 + ... + 80161995.
It is an arithmetic number, because the mean of its divisors is an integer number (4793657389500).
Almost surely, 2121311330110232 is an apocalyptic number.
121311330110232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121311330110232 is an abundant number, since it is smaller than the sum of its proper divisors (185482742817768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121311330110232 is a wasteful number, since it uses less digits than its factorization.
121311330110232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158796480 (or 158796476 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 24.
Adding to 121311330110232 its reverse (232011033113121), we get a palindrome (353322363223353).
The spelling of 121311330110232 in words is "one hundred twenty-one trillion, three hundred eleven billion, three hundred thirty million, one hundred ten thousand, two hundred thirty-two".
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