Base | Representation |
---|---|
bin | 1011011110100101… |
… | …1001000101001000 |
3 | 21221201121010210001 |
4 | 2313221121011020 |
5 | 22302224044120 |
6 | 1225422132344 |
7 | 136231520623 |
oct | 26751310510 |
9 | 7851533701 |
10 | 3081081160 |
11 | 134120a973 |
12 | 71ba210b4 |
13 | 3a1432a61 |
14 | 2132b0dba |
15 | 13075ce0a |
hex | b7a59148 |
3081081160 has 32 divisors (see below), whose sum is σ = 6942733560. Its totient is φ = 1230601216.
The previous prime is 3081081149. The next prime is 3081081163. The reversal of 3081081160 is 611801803.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2394536356 + 686544804 = 48934^2 + 26202^2 .
It is a super-2 number, since 2×30810811602 = 18986122229013891200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3081081163) 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, 29809 + ... + 83968.
Almost surely, 23081081160 is an apocalyptic number.
It is an amenable number.
3081081160 is an abundant number, since it is smaller than the sum of its proper divisors (3861652400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3081081160 is a wasteful number, since it uses less digits than its factorization.
3081081160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114465 (or 114461 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 3081081160 is about 55507.4874228694. The cubic root of 3081081160 is about 1455.1274924399.
Adding to 3081081160 its reverse (611801803), we get a palindrome (3692882963).
The spelling of 3081081160 in words is "three billion, eighty-one million, eighty-one thousand, one hundred sixty".
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