Base | Representation |
---|---|
bin | 111000100000100110… |
… | …0100111011111011010 |
3 | 102121020021220121020020 |
4 | 1301001030213133122 |
5 | 3442012321121220 |
6 | 131425422011310 |
7 | 11524144502535 |
oct | 1610114473732 |
9 | 377207817206 |
10 | 121352910810 |
11 | 4751361102a |
12 | 1b628a16b36 |
13 | b59c589601 |
14 | 5c32cbba1c |
15 | 3253b48040 |
hex | 1c413277da |
121352910810 has 16 divisors (see below), whose sum is σ = 291246986016. Its totient is φ = 32360776208.
The previous prime is 121352910803. The next prime is 121352910853. The reversal of 121352910810 is 18019253121.
It is a super-2 number, since 2×1213529108102 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022548484 + ... + 2022548543.
It is an arithmetic number, because the mean of its divisors is an integer number (18202936626).
Almost surely, 2121352910810 is an apocalyptic number.
121352910810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121352910810 is an abundant number, since it is smaller than the sum of its proper divisors (169894075206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121352910810 is a wasteful number, since it uses less digits than its factorization.
121352910810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4045097037.
The product of its (nonzero) digits is 4320, while the sum is 33.
The spelling of 121352910810 in words is "one hundred twenty-one billion, three hundred fifty-two million, nine hundred ten thousand, eight hundred ten".
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