Base | Representation |
---|---|
bin | 100101011100001011… |
… | …0110110101111111011 |
3 | 21200112101022122102020 |
4 | 1022320112312233323 |
5 | 2304131004113431 |
6 | 100534130405523 |
7 | 5544306133014 |
oct | 1127026665773 |
9 | 250471278366 |
10 | 80402410491 |
11 | 3110a079037 |
12 | 136ba7308a3 |
13 | 777460b630 |
14 | 3c6a3aa00b |
15 | 21589ab696 |
hex | 12b85b6bfb |
80402410491 has 8 divisors (see below), whose sum is σ = 115449615120. Its totient is φ = 49478406432.
The previous prime is 80402410463. The next prime is 80402410493. The reversal of 80402410491 is 19401420408.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80402410491 - 231 = 78254926843 is a prime.
It is a super-2 number, since 2×804024104912 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (80402410493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030800096 + ... + 1030800173.
It is an arithmetic number, because the mean of its divisors is an integer number (14431201890).
Almost surely, 280402410491 is an apocalyptic number.
80402410491 is a deficient number, since it is larger than the sum of its proper divisors (35047204629).
80402410491 is a wasteful number, since it uses less digits than its factorization.
80402410491 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2061600285.
The product of its (nonzero) digits is 9216, while the sum is 33.
Adding to 80402410491 its reverse (19401420408), we get a palindrome (99803830899).
The spelling of 80402410491 in words is "eighty billion, four hundred two million, four hundred ten thousand, four hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •