Base | Representation |
---|---|
bin | 111000100010100110… |
… | …0111110100110010000 |
3 | 102121101222100220010010 |
4 | 1301011030332212100 |
5 | 3442132022124240 |
6 | 131440222234520 |
7 | 11525621641251 |
oct | 1610514764620 |
9 | 377358326103 |
10 | 121420114320 |
11 | 4754854201a |
12 | 1b647425a40 |
13 | b5b04892bb |
14 | 5c3bbb2b28 |
15 | 32599c0280 |
hex | 1c4533e990 |
121420114320 has 40 divisors (see below), whose sum is σ = 376402355136. Its totient is φ = 32378697088.
The previous prime is 121420114303. The next prime is 121420114337. The reversal of 121420114320 is 23411024121.
It is an interprime number because it is at equal distance from previous prime (121420114303) and next prime (121420114337).
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×1214201143202 (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 (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252958332 + ... + 252958811.
Almost surely, 2121420114320 is an apocalyptic number.
121420114320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121420114320 is an abundant number, since it is smaller than the sum of its proper divisors (254982240816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121420114320 is a wasteful number, since it uses less digits than its factorization.
121420114320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 505917159 (or 505917153 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 121420114320 its reverse (23411024121), we get a palindrome (144831138441).
The spelling of 121420114320 in words is "one hundred twenty-one billion, four hundred twenty million, one hundred fourteen thousand, three hundred twenty".
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