Base | Representation |
---|---|
bin | 111111110111001… |
… | …0111010011111001 |
3 | 12112100011121001002 |
4 | 1333232113103321 |
5 | 13342033014122 |
6 | 552344534345 |
7 | 104050004546 |
oct | 17756272371 |
9 | 5470147032 |
10 | 2142860537 |
11 | 9aa652924 |
12 | 4b97813b5 |
13 | 281c4671c |
14 | 164845bcd |
15 | c81d1992 |
hex | 7fb974f9 |
2142860537 has 2 divisors, whose sum is σ = 2142860538. Its totient is φ = 2142860536.
The previous prime is 2142860497. The next prime is 2142860563. The reversal of 2142860537 is 7350682412.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1652503801 + 490356736 = 40651^2 + 22144^2 .
It is a cyclic number.
It is not a de Polignac number, because 2142860537 - 28 = 2142860281 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2142860537.
It is not a weakly prime, because it can be changed into another prime (2142860567) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071430268 + 1071430269.
It is an arithmetic number, because the mean of its divisors is an integer number (1071430269).
Almost surely, 22142860537 is an apocalyptic number.
It is an amenable number.
2142860537 is a deficient number, since it is larger than the sum of its proper divisors (1).
2142860537 is an equidigital number, since it uses as much as digits as its factorization.
2142860537 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 80640, while the sum is 38.
The square root of 2142860537 is about 46291.0416495460. The cubic root of 2142860537 is about 1289.2326700748.
The spelling of 2142860537 in words is "two billion, one hundred forty-two million, eight hundred sixty thousand, five hundred thirty-seven".
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