Base | Representation |
---|---|
bin | 111111100010011… |
… | …0111111010100101 |
3 | 12111120201000021202 |
4 | 1333010313322211 |
5 | 13331241442122 |
6 | 551315452245 |
7 | 103555364621 |
oct | 17704677245 |
9 | 5446630252 |
10 | 2131984037 |
11 | 9a44a4187 |
12 | 4b5bb7085 |
13 | 27c908c21 |
14 | 163214181 |
15 | c7283e92 |
hex | 7f137ea5 |
2131984037 has 2 divisors, whose sum is σ = 2131984038. Its totient is φ = 2131984036.
The previous prime is 2131984033. The next prime is 2131984069. The reversal of 2131984037 is 7304891312.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1666762276 + 465221761 = 40826^2 + 21569^2 .
It is a cyclic number.
It is not a de Polignac number, because 2131984037 - 22 = 2131984033 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2131984031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065992018 + 1065992019.
It is an arithmetic number, because the mean of its divisors is an integer number (1065992019).
Almost surely, 22131984037 is an apocalyptic number.
It is an amenable number.
2131984037 is a deficient number, since it is larger than the sum of its proper divisors (1).
2131984037 is an equidigital number, since it uses as much as digits as its factorization.
2131984037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 2131984037 is about 46173.4126635665. The cubic root of 2131984037 is about 1287.0477198836.
The spelling of 2131984037 in words is "two billion, one hundred thirty-one million, nine hundred eighty-four thousand, thirty-seven".
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