Base | Representation |
---|---|
bin | 1010100010110001… |
… | …0100101010101000 |
3 | 21022020111121112222 |
4 | 2220230110222220 |
5 | 21244012110042 |
6 | 1144500453212 |
7 | 130064141336 |
oct | 25054245250 |
9 | 7266447488 |
10 | 2830191272 |
11 | 1222629657 |
12 | 66b9aa208 |
13 | 36146b2bc |
14 | 1cbc42b56 |
15 | 1187002d2 |
hex | a8b14aa8 |
2830191272 has 32 divisors (see below), whose sum is σ = 5484834120. Its totient is φ = 1368057600.
The previous prime is 2830191271. The next prime is 2830191313. The reversal of 2830191272 is 2721910382.
It can be written as a sum of positive squares in 4 ways, for example, as 1761816676 + 1068374596 = 41974^2 + 32686^2 .
It is a super-2 number, since 2×28301912722 = 16019965272209955968, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2830191271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16022 + ... + 76922.
Almost surely, 22830191272 is an apocalyptic number.
It is an amenable number.
2830191272 is a deficient number, since it is larger than the sum of its proper divisors (2654642848).
2830191272 is a wasteful number, since it uses less digits than its factorization.
2830191272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61101 (or 61097 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 2830191272 is about 53199.5420281040. The cubic root of 2830191272 is about 1414.5075258069.
The spelling of 2830191272 in words is "two billion, eight hundred thirty million, one hundred ninety-one thousand, two hundred seventy-two".
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