Base | Representation |
---|---|
bin | 111000010110011110… |
… | …0000010011010001110 |
3 | 102120100121100101002220 |
4 | 1300230330002122032 |
5 | 3440313313122202 |
6 | 131332001000210 |
7 | 11512546462236 |
oct | 1605474023216 |
9 | 376317311086 |
10 | 121013020302 |
11 | 47359771289 |
12 | 1b553023066 |
13 | b547032a75 |
14 | 5bddac2cc6 |
15 | 3233da9abc |
hex | 1c2cf0268e |
121013020302 has 16 divisors (see below), whose sum is σ = 246592570320. Its totient is φ = 39576585152.
The previous prime is 121013020291. The next prime is 121013020307. The reversal of 121013020302 is 203020310121.
It is a super-2 number, since 2×1210130203022 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121013020307) by changing a digit.
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, 190271727 + ... + 190272362.
It is an arithmetic number, because the mean of its divisors is an integer number (15412035645).
Almost surely, 2121013020302 is an apocalyptic number.
121013020302 is an abundant number, since it is smaller than the sum of its proper divisors (125579550018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121013020302 is a wasteful number, since it uses less digits than its factorization.
121013020302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 380544147.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 121013020302 its reverse (203020310121), we get a palindrome (324033330423).
The spelling of 121013020302 in words is "one hundred twenty-one billion, thirteen million, twenty thousand, three hundred two".
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