Base | Representation |
---|---|
bin | 111101011101011… |
… | …100111101100001 |
3 | 2122212020212210012 |
4 | 331131130331201 |
5 | 4102432142402 |
6 | 250152414305 |
7 | 34360316522 |
oct | 7535347541 |
9 | 2585225705 |
10 | 1031130977 |
11 | 48a056a68 |
12 | 2493a7395 |
13 | 135819b96 |
14 | 9ad32849 |
15 | 607d0452 |
hex | 3d75cf61 |
1031130977 has 2 divisors, whose sum is σ = 1031130978. Its totient is φ = 1031130976.
The previous prime is 1031130967. The next prime is 1031131019. The reversal of 1031130977 is 7790311301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 774842896 + 256288081 = 27836^2 + 16009^2 .
It is a cyclic number.
It is not a de Polignac number, because 1031130977 - 28 = 1031130721 is a prime.
It is not a weakly prime, because it can be changed into another prime (1031130967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515565488 + 515565489.
It is an arithmetic number, because the mean of its divisors is an integer number (515565489).
Almost surely, 21031130977 is an apocalyptic number.
It is an amenable number.
1031130977 is a deficient number, since it is larger than the sum of its proper divisors (1).
1031130977 is an equidigital number, since it uses as much as digits as its factorization.
1031130977 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3969, while the sum is 32.
The square root of 1031130977 is about 32111.2282075912. The cubic root of 1031130977 is about 1010.2711349319.
The spelling of 1031130977 in words is "one billion, thirty-one million, one hundred thirty thousand, nine hundred seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •