Base | Representation |
---|---|
bin | 111000100011100011… |
… | …1011000000100111010 |
3 | 102121111012202000201220 |
4 | 1301013013120010322 |
5 | 3442213230402000 |
6 | 131443330052510 |
7 | 11526461445243 |
oct | 1610707300472 |
9 | 377435660656 |
10 | 121452200250 |
11 | 47564667717 |
12 | 1b65611a136 |
13 | b5b7011864 |
14 | 5c42165cca |
15 | 325c70c1a0 |
hex | 1c471d813a |
121452200250 has 64 divisors (see below), whose sum is σ = 303196787712. Its totient is φ = 32381688000.
The previous prime is 121452200203. The next prime is 121452200279. The reversal of 121452200250 is 52002254121.
121452200250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1214522002502 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 121452200250.
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 31 ways as a sum of consecutive naturals, for example, 6205480 + ... + 6225020.
It is an arithmetic number, because the mean of its divisors is an integer number (4737449808).
Almost surely, 2121452200250 is an apocalyptic number.
121452200250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121452200250 is an abundant number, since it is smaller than the sum of its proper divisors (181744587462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121452200250 is a wasteful number, since it uses less digits than its factorization.
121452200250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27848 (or 27838 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
Adding to 121452200250 its reverse (52002254121), we get a palindrome (173454454371).
The spelling of 121452200250 in words is "one hundred twenty-one billion, four hundred fifty-two million, two hundred thousand, two hundred fifty".
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