Base | Representation |
---|---|
bin | 11100111010010000… |
… | …001011110000001001 |
3 | 2222010101011122220122 |
4 | 130322100023300021 |
5 | 1002033233421131 |
6 | 22132135433025 |
7 | 2146152300032 |
oct | 347220136011 |
9 | 88111148818 |
10 | 31042092041 |
11 | 1218a4a7224 |
12 | 6023b25775 |
13 | 2c0924c0cc |
14 | 17069d1a89 |
15 | c1a371d7b |
hex | 73a40bc09 |
31042092041 has 2 divisors, whose sum is σ = 31042092042. Its totient is φ = 31042092040.
The previous prime is 31042092013. The next prime is 31042092083. The reversal of 31042092041 is 14029024013.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20700015625 + 10342076416 = 143875^2 + 101696^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31042092041 is a prime.
It is a super-2 number, since 2×310420920412 (a number of 22 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 31042092041.
It is not a weakly prime, because it can be changed into another prime (31042098041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15521046020 + 15521046021.
It is an arithmetic number, because the mean of its divisors is an integer number (15521046021).
Almost surely, 231042092041 is an apocalyptic number.
It is an amenable number.
31042092041 is a deficient number, since it is larger than the sum of its proper divisors (1).
31042092041 is an equidigital number, since it uses as much as digits as its factorization.
31042092041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 26.
The spelling of 31042092041 in words is "thirty-one billion, forty-two million, ninety-two thousand, forty-one".
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