Base | Representation |
---|---|
bin | 100101100011110111… |
… | …1000010111011111111 |
3 | 21201012100210101100201 |
4 | 1023013233002323333 |
5 | 2310143031110421 |
6 | 101015504304331 |
7 | 5553561113341 |
oct | 1130757027377 |
9 | 251170711321 |
10 | 80660410111 |
11 | 31231775a66 |
12 | 137710120a7 |
13 | 77b5bc2228 |
14 | 3c92769291 |
15 | 2171470b91 |
hex | 12c7bc2eff |
80660410111 has 8 divisors (see below), whose sum is σ = 81110427264. Its totient is φ = 80211555480.
The previous prime is 80660410109. The next prime is 80660410121. The reversal of 80660410111 is 11101406608.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80660410111 - 21 = 80660410109 is a prime.
It is a super-2 number, since 2×806604101112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80660410111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80660410121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151291 + ... + 429196.
It is an arithmetic number, because the mean of its divisors is an integer number (10138803408).
Almost surely, 280660410111 is an apocalyptic number.
80660410111 is a deficient number, since it is larger than the sum of its proper divisors (450017153).
80660410111 is a wasteful number, since it uses less digits than its factorization.
80660410111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 581261.
The product of its (nonzero) digits is 1152, while the sum is 28.
Adding to 80660410111 its reverse (11101406608), we get a palindrome (91761816719).
The spelling of 80660410111 in words is "eighty billion, six hundred sixty million, four hundred ten thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •