Base | Representation |
---|---|
bin | 110000111011101010… |
… | …1010100100011000101 |
3 | 101001020021222202211122 |
4 | 1201313111110203011 |
5 | 3210201302333442 |
6 | 120135040443325 |
7 | 10410004152542 |
oct | 1416725244305 |
9 | 331207882748 |
10 | 105081292997 |
11 | 406237177aa |
12 | 18447619545 |
13 | 9ba84620a5 |
14 | 512bc43bc9 |
15 | 2b0039cdd2 |
hex | 18775548c5 |
105081292997 has 2 divisors, whose sum is σ = 105081292998. Its totient is φ = 105081292996.
The previous prime is 105081292963. The next prime is 105081293017. The reversal of 105081292997 is 799292180501.
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., 104696897761 + 384395236 = 323569^2 + 19606^2 .
It is a cyclic number.
It is not a de Polignac number, because 105081292997 - 28 = 105081292741 is a prime.
It is a super-2 number, since 2×1050812929972 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105081292907) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52540646498 + 52540646499.
It is an arithmetic number, because the mean of its divisors is an integer number (52540646499).
Almost surely, 2105081292997 is an apocalyptic number.
It is an amenable number.
105081292997 is a deficient number, since it is larger than the sum of its proper divisors (1).
105081292997 is an equidigital number, since it uses as much as digits as its factorization.
105081292997 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 816480, while the sum is 53.
The spelling of 105081292997 in words is "one hundred five billion, eighty-one million, two hundred ninety-two thousand, nine hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •