Base | Representation |
---|---|
bin | 111111100000111… |
… | …1001010010000000 |
3 | 12111112020100011212 |
4 | 1333001321102000 |
5 | 13331042000300 |
6 | 551251025252 |
7 | 103545633260 |
oct | 17701712200 |
9 | 5445210155 |
10 | 2131203200 |
11 | 9a4010565 |
12 | 4b589b228 |
13 | 27c6c46a9 |
14 | 16308d7a0 |
15 | c717c935 |
hex | 7f079480 |
2131203200 has 96 divisors (see below), whose sum is σ = 6016906560. Its totient is φ = 730690560.
The previous prime is 2131203187. The next prime is 2131203241. The reversal of 2131203200 is 23021312.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
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, 25172 + ... + 69971.
It is an arithmetic number, because the mean of its divisors is an integer number (62676110).
Almost surely, 22131203200 is an apocalyptic number.
2131203200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2131203200 is an abundant number, since it is smaller than the sum of its proper divisors (3885703360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131203200 is an equidigital number, since it uses as much as digits as its factorization.
2131203200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95174 (or 95157 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 2131203200 is about 46164.9564063479. The cubic root of 2131203200 is about 1286.8905740548.
Adding to 2131203200 its reverse (23021312), we get a palindrome (2154224512).
The spelling of 2131203200 in words is "two billion, one hundred thirty-one million, two hundred three thousand, two hundred".
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