Base | Representation |
---|---|
bin | 111000011111000101… |
… | …1101000100010011110 |
3 | 102121002202201101111001 |
4 | 1300332023220202132 |
5 | 3441411343240220 |
6 | 131420413420514 |
7 | 11522661501352 |
oct | 1607613504236 |
9 | 377082641431 |
10 | 121302321310 |
11 | 47497aa8425 |
12 | 1b613a9a73a |
13 | b591c55ab1 |
14 | 5c2a2ad462 |
15 | 324e4a380a |
hex | 1c3e2e889e |
121302321310 has 32 divisors (see below), whose sum is σ = 229853712960. Its totient is φ = 46000593408.
The previous prime is 121302321289. The next prime is 121302321337. The reversal of 121302321310 is 13123203121.
It is a super-2 number, since 2×1213023213102 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 2307645 + ... + 2359624.
It is an arithmetic number, because the mean of its divisors is an integer number (7182928530).
Almost surely, 2121302321310 is an apocalyptic number.
121302321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121302321310 is a deficient number, since it is larger than the sum of its proper divisors (108551391650).
121302321310 is a wasteful number, since it uses less digits than its factorization.
121302321310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4667412.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 121302321310 its reverse (13123203121), we get a palindrome (134425524431).
The spelling of 121302321310 in words is "one hundred twenty-one billion, three hundred two million, three hundred twenty-one thousand, three hundred ten".
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