Base | Representation |
---|---|
bin | 11011100101010010111100… |
… | …001011000000111000001010 |
3 | 120220112010212100021111100210 |
4 | 123211102330023000320022 |
5 | 111400021304101441020 |
6 | 1110001050451141550 |
7 | 34360242113450442 |
oct | 3345227413007012 |
9 | 526463770244323 |
10 | 121310213312010 |
11 | 35720410955928 |
12 | 11732894ba48b6 |
13 | 528c672479aa8 |
14 | 21d5634c27122 |
15 | e058550223e0 |
hex | 6e54bc2c0e0a |
121310213312010 has 64 divisors (see below), whose sum is σ = 292529397348864. Its totient is φ = 32195519361600.
The previous prime is 121310213311967. The next prime is 121310213312033. The reversal of 121310213312010 is 10213312013121.
It is a super-2 number, since 2×1213102133120102 (a number of 29 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473172277 + ... + 473428583.
It is an arithmetic number, because the mean of its divisors is an integer number (4570771833576).
Almost surely, 2121310213312010 is an apocalyptic number.
121310213312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121310213312010 is an abundant number, since it is smaller than the sum of its proper divisors (171219184036854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121310213312010 is a wasteful number, since it uses less digits than its factorization.
121310213312010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331299.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 121310213312010 its reverse (10213312013121), we get a palindrome (131523525325131).
The spelling of 121310213312010 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred thirteen million, three hundred twelve thousand, ten".
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