Base | Representation |
---|---|
bin | 1100100111101000… |
… | …0010101010100001 |
3 | 22202002001120011210 |
4 | 3021322002222201 |
5 | 23414140420211 |
6 | 1320044300333 |
7 | 146641504530 |
oct | 31172025241 |
9 | 8662046153 |
10 | 3387435681 |
11 | 1489134623 |
12 | 7a65416a9 |
13 | 41ca47016 |
14 | 241c5a317 |
15 | 14c5c49a6 |
hex | c9e82aa1 |
3387435681 has 16 divisors (see below), whose sum is σ = 5175657344. Its totient is φ = 1930483584.
The previous prime is 3387435679. The next prime is 3387435721. The reversal of 3387435681 is 1865347833.
It is not a de Polignac number, because 3387435681 - 21 = 3387435679 is a prime.
It is a super-2 number, since 2×33874356812 = 22949440985823867522, which contains 22 as substring.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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 3387435681.
It is not an unprimeable number, because it can be changed into a prime (3387435661) 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, 208396 + ... + 224061.
It is an arithmetic number, because the mean of its divisors is an integer number (323478584).
Almost surely, 23387435681 is an apocalyptic number.
It is an amenable number.
3387435681 is a deficient number, since it is larger than the sum of its proper divisors (1788221663).
3387435681 is a wasteful number, since it uses less digits than its factorization.
3387435681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432840.
The product of its digits is 1451520, while the sum is 48.
The square root of 3387435681 is about 58201.6810839687. The cubic root of 3387435681 is about 1501.8400649621.
The spelling of 3387435681 in words is "three billion, three hundred eighty-seven million, four hundred thirty-five thousand, six hundred eighty-one".
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