Base | Representation |
---|---|
bin | 1011011001111111… |
… | …0101101111010011 |
3 | 21220101022112211222 |
4 | 2312133311233103 |
5 | 22232310044031 |
6 | 1223452555255 |
7 | 135605604203 |
oct | 26637655723 |
9 | 7811275758 |
10 | 3061799891 |
11 | 1331340637 |
12 | 715482b2b |
13 | 39a441817 |
14 | 2108d2403 |
15 | 12dbeee7b |
hex | b67f5bd3 |
3061799891 has 2 divisors, whose sum is σ = 3061799892. Its totient is φ = 3061799890.
The previous prime is 3061799869. The next prime is 3061799911. The reversal of 3061799891 is 1989971603.
It is a strong prime.
It is an emirp because it is prime and its reverse (1989971603) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3061799891 - 26 = 3061799827 is a prime.
It is a super-2 number, since 2×30617998912 = 18749237145055223762, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (3061799831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530899945 + 1530899946.
It is an arithmetic number, because the mean of its divisors is an integer number (1530899946).
Almost surely, 23061799891 is an apocalyptic number.
3061799891 is a deficient number, since it is larger than the sum of its proper divisors (1).
3061799891 is an equidigital number, since it uses as much as digits as its factorization.
3061799891 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 734832, while the sum is 53.
The square root of 3061799891 is about 55333.5331512456. The cubic root of 3061799891 is about 1452.0857641907.
The spelling of 3061799891 in words is "three billion, sixty-one million, seven hundred ninety-nine thousand, eight hundred ninety-one".
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