Base | Representation |
---|---|
bin | 111011101010111… |
… | …1010001101000011 |
3 | 12011112112221010121 |
4 | 1313111322031003 |
5 | 13100032412011 |
6 | 530402441111 |
7 | 100421456314 |
oct | 16725721503 |
9 | 5145487117 |
10 | 2002232131 |
11 | 9382316a9 |
12 | 47a663197 |
13 | 25ba79353 |
14 | 14dcba60b |
15 | baba3e71 |
hex | 7757a343 |
2002232131 has 2 divisors, whose sum is σ = 2002232132. Its totient is φ = 2002232130.
The previous prime is 2002232129. The next prime is 2002232153. The reversal of 2002232131 is 1312322002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2002232131 - 21 = 2002232129 is a prime.
It is a super-2 number, since 2×20022321312 = 8017867012817602322, which contains 22 as substring.
Together with 2002232129, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2002232161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001116065 + 1001116066.
It is an arithmetic number, because the mean of its divisors is an integer number (1001116066).
Almost surely, 22002232131 is an apocalyptic number.
2002232131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2002232131 is an equidigital number, since it uses as much as digits as its factorization.
2002232131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2002232131 is about 44746.3085740042. The cubic root of 2002232131 is about 1260.3895937684.
Adding to 2002232131 its reverse (1312322002), we get a palindrome (3314554133).
The spelling of 2002232131 in words is "two billion, two million, two hundred thirty-two thousand, one hundred thirty-one".
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