Base | Representation |
---|---|
bin | 111000011100110001… |
… | …0000000101000101100 |
3 | 102120220022220112212122 |
4 | 1300321202000220230 |
5 | 3441231410113400 |
6 | 131404545252112 |
7 | 11521023362240 |
oct | 1607142005054 |
9 | 376808815778 |
10 | 121224301100 |
11 | 47457a59711 |
12 | 1b5b1934038 |
13 | b57ba398a6 |
14 | 5c1dba0420 |
15 | 32476e1685 |
hex | 1c39880a2c |
121224301100 has 72 divisors (see below), whose sum is σ = 300759083520. Its totient is φ = 41545638720.
The previous prime is 121224301073. The next prime is 121224301129. The reversal of 121224301100 is 1103422121.
It is a super-2 number, since 2×1212243011002 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1743197 + ... + 1811403.
Almost surely, 2121224301100 is an apocalyptic number.
121224301100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121224301100 is an abundant number, since it is smaller than the sum of its proper divisors (179534782420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121224301100 is a wasteful number, since it uses less digits than its factorization.
121224301100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70767 (or 70760 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 121224301100 its reverse (1103422121), we get a palindrome (122327723221).
The spelling of 121224301100 in words is "one hundred twenty-one billion, two hundred twenty-four million, three hundred one thousand, one hundred".
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