Base | Representation |
---|---|
bin | 111100100010011… |
… | …0101110101001001 |
3 | 12020120021100111020 |
4 | 1321010311311021 |
5 | 13130003442301 |
6 | 533322023053 |
7 | 101223604002 |
oct | 17104656511 |
9 | 5216240436 |
10 | 2031312201 |
11 | 952693a16 |
12 | 488347a89 |
13 | 264abb6a9 |
14 | 153aca1a9 |
15 | bd4ea436 |
hex | 79135d49 |
2031312201 has 32 divisors (see below), whose sum is σ = 2923776000. Its totient is φ = 1249839360.
The previous prime is 2031312181. The next prime is 2031312233. The reversal of 2031312201 is 1022131302.
It is not a de Polignac number, because 2031312201 - 214 = 2031295817 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2031312251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719170 + ... + 721988.
It is an arithmetic number, because the mean of its divisors is an integer number (91368000).
Almost surely, 22031312201 is an apocalyptic number.
It is an amenable number.
2031312201 is a deficient number, since it is larger than the sum of its proper divisors (892463799).
2031312201 is a wasteful number, since it uses less digits than its factorization.
2031312201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3109.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2031312201 is about 45070.0809961553. The cubic root of 2031312201 is about 1266.4621817260.
Adding to 2031312201 its reverse (1022131302), we get a palindrome (3053443503).
The spelling of 2031312201 in words is "two billion, thirty-one million, three hundred twelve thousand, two hundred one".
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