Base | Representation |
---|---|
bin | 100101010111101110… |
… | …1110111110101001111 |
3 | 21200010222122202112110 |
4 | 1022233131313311033 |
5 | 2303324313124431 |
6 | 100511241435103 |
7 | 5540515261230 |
oct | 1125735676517 |
9 | 250128582473 |
10 | 80253254991 |
11 | 31042963328 |
12 | 1367879ba93 |
13 | 774c746c40 |
14 | 3c54661087 |
15 | 214a847346 |
hex | 12af777d4f |
80253254991 has 32 divisors (see below), whose sum is σ = 133856654848. Its totient is φ = 41637421440.
The previous prime is 80253254989. The next prime is 80253254993. The reversal of 80253254991 is 19945235208.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (80253254989) and next prime (80253254993).
It is not a de Polignac number, because 80253254991 - 21 = 80253254989 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80253254991.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80253254993) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2392921 + ... + 2426226.
It is an arithmetic number, because the mean of its divisors is an integer number (4183020464).
Almost surely, 280253254991 is an apocalyptic number.
80253254991 is a deficient number, since it is larger than the sum of its proper divisors (53603399857).
80253254991 is a wasteful number, since it uses less digits than its factorization.
80253254991 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4819231.
The product of its (nonzero) digits is 777600, while the sum is 48.
The spelling of 80253254991 in words is "eighty billion, two hundred fifty-three million, two hundred fifty-four thousand, nine hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •