Base | Representation |
---|---|
bin | 111111100000111… |
… | …1010111111011010 |
3 | 12111112020200210012 |
4 | 1333001322333122 |
5 | 13331042211302 |
6 | 551251121522 |
7 | 103545662552 |
oct | 17701727732 |
9 | 5445220705 |
10 | 2131210202 |
11 | 9a4015850 |
12 | 4b58a32a2 |
13 | 27c6c7934 |
14 | 163092162 |
15 | c717ea52 |
hex | 7f07afda |
2131210202 has 64 divisors (see below), whose sum is σ = 3910757760. Its totient is φ = 858470400.
The previous prime is 2131210187. The next prime is 2131210231. The reversal of 2131210202 is 2020121312.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1285358 + ... + 1287014.
It is an arithmetic number, because the mean of its divisors is an integer number (61105590).
Almost surely, 22131210202 is an apocalyptic number.
2131210202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2131210202 is a deficient number, since it is larger than the sum of its proper divisors (1779547558).
2131210202 is a wasteful number, since it uses less digits than its factorization.
2131210202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1887.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2131210202 is about 46165.0322430300. The cubic root of 2131210202 is about 1286.8919833992.
Adding to 2131210202 its reverse (2020121312), we get a palindrome (4151331514).
The spelling of 2131210202 in words is "two billion, one hundred thirty-one million, two hundred ten thousand, two hundred two".
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