Base | Representation |
---|---|
bin | 1011001101111100… |
… | …1000000010000111 |
3 | 21202212020221000002 |
4 | 2303133020002013 |
5 | 22131341443111 |
6 | 1214450111515 |
7 | 134423315663 |
oct | 26337100207 |
9 | 7685227002 |
10 | 3011281031 |
11 | 1305876010 |
12 | 70057b59b |
13 | 38cb341c5 |
14 | 207d018a3 |
15 | 12957163b |
hex | b37c8087 |
3011281031 has 16 divisors (see below), whose sum is σ = 3345175680. Its totient is φ = 2687683680.
The previous prime is 3011280989. The next prime is 3011281081. The reversal of 3011281031 is 1301821103.
It is not a de Polignac number, because 3011281031 - 222 = 3007086727 is a prime.
It is a super-2 number, since 2×30112810312 = 18135626895320845922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3011280994 and 3011281012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3011281081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219605 + ... + 232913.
It is an arithmetic number, because the mean of its divisors is an integer number (209073480).
Almost surely, 23011281031 is an apocalyptic number.
3011281031 is a deficient number, since it is larger than the sum of its proper divisors (333894649).
3011281031 is a wasteful number, since it uses less digits than its factorization.
3011281031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13694.
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 3011281031 is about 54875.1403733968. The cubic root of 3011281031 is about 1444.0550937446.
The spelling of 3011281031 in words is "three billion, eleven million, two hundred eighty-one thousand, thirty-one".
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