Base | Representation |
---|---|
bin | 111000010110011010… |
… | …0101101101001000110 |
3 | 102120100110201211021010 |
4 | 1300230310231221012 |
5 | 3440312320201410 |
6 | 131331451503050 |
7 | 11512524244326 |
oct | 1605464555106 |
9 | 376313654233 |
10 | 121011100230 |
11 | 4735867a749 |
12 | 1b552457a86 |
13 | b54680cb27 |
14 | 5bdd743286 |
15 | 3233b2ac20 |
hex | 1c2cd2da46 |
121011100230 has 32 divisors (see below), whose sum is σ = 290551294944. Its totient is φ = 32255776256.
The previous prime is 121011100213. The next prime is 121011100247. The reversal of 121011100230 is 32001110121.
It is an interprime number because it is at equal distance from previous prime (121011100213) and next prime (121011100247).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794499 + ... + 934478.
It is an arithmetic number, because the mean of its divisors is an integer number (9079727967).
Almost surely, 2121011100230 is an apocalyptic number.
121011100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121011100230 is an abundant number, since it is smaller than the sum of its proper divisors (169540194714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121011100230 is a wasteful number, since it uses less digits than its factorization.
121011100230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1731320.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 121011100230 its reverse (32001110121), we get a palindrome (153012210351).
The spelling of 121011100230 in words is "one hundred twenty-one billion, eleven million, one hundred thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •