Base | Representation |
---|---|
bin | 1110011011001… |
… | …01100011011000 |
3 | 22102200112210222 |
4 | 13031211203120 |
5 | 221434032300 |
6 | 20001255212 |
7 | 2666334044 |
oct | 715454330 |
9 | 272615728 |
10 | 121002200 |
11 | 62336820 |
12 | 34634508 |
13 | 1c0b8147 |
14 | 120db024 |
15 | a952785 |
hex | 73658d8 |
121002200 has 48 divisors (see below), whose sum is σ = 306911160. Its totient is φ = 44000000.
The previous prime is 121002199. The next prime is 121002251. The reversal of 121002200 is 2200121.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25301 + ... + 29700.
Almost surely, 2121002200 is an apocalyptic number.
121002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121002200 is an abundant number, since it is smaller than the sum of its proper divisors (185908960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121002200 is a wasteful number, since it uses less digits than its factorization.
121002200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55028 (or 55019 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 121002200 is about 11000.0999995455. The cubic root of 121002200 is about 494.6117419355.
Adding to 121002200 its reverse (2200121), we get a palindrome (123202321).
The spelling of 121002200 in words is "one hundred twenty-one million, two thousand, two hundred".
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