Base | Representation |
---|---|
bin | 1101100110000000… |
… | …0101110011000111 |
3 | 100102022100212120020 |
4 | 3121200011303013 |
5 | 24433130140411 |
6 | 1402032110223 |
7 | 156266365614 |
oct | 33140056307 |
9 | 10368325506 |
10 | 3649068231 |
11 | 1602892a76 |
12 | 85a095373 |
13 | 462000393 |
14 | 2688c350b |
15 | 165555606 |
hex | d9805cc7 |
3649068231 has 8 divisors (see below), whose sum is σ = 5033197680. Its totient is φ = 2348825472.
The previous prime is 3649068229. The next prime is 3649068253. The reversal of 3649068231 is 1328609463.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3649068231 - 21 = 3649068229 is a prime.
It is a super-2 number, since 2×36490682312 = 26631397908986938722, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3649068431) 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, 20971570 + ... + 20971743.
It is an arithmetic number, because the mean of its divisors is an integer number (629149710).
Almost surely, 23649068231 is an apocalyptic number.
3649068231 is a deficient number, since it is larger than the sum of its proper divisors (1384129449).
3649068231 is a wasteful number, since it uses less digits than its factorization.
3649068231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41943345.
The product of its (nonzero) digits is 186624, while the sum is 42.
The square root of 3649068231 is about 60407.5180006595. The cubic root of 3649068231 is about 1539.5506969186.
The spelling of 3649068231 in words is "three billion, six hundred forty-nine million, sixty-eight thousand, two hundred thirty-one".
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