Base | Representation |
---|---|
bin | 1101101101110101… |
… | …1111101000111011 |
3 | 100111121020001000000 |
4 | 3123131133220323 |
5 | 30020034121300 |
6 | 1405204444043 |
7 | 160145664000 |
oct | 33335375073 |
9 | 10447201000 |
10 | 3681942075 |
11 | 161a3a6639 |
12 | 8690a9623 |
13 | 468a70466 |
14 | 26cddd8a7 |
15 | 16839ac00 |
hex | db75fa3b |
3681942075 has 336 divisors, whose sum is σ = 8674048000. Its totient is φ = 1543147200.
The previous prime is 3681942067. The next prime is 3681942079. The reversal of 3681942075 is 5702491863.
3681942075 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 3681942075 - 23 = 3681942067 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
3681942075 is strictly pandigital in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 3681942075.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3681942079) by changing a digit.
It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 118772310 + ... + 118772340.
It is a 1-persistent number, because it is pandigital, but 2⋅3681942075 = 7363884150 is not.
Almost surely, 23681942075 is an apocalyptic number.
3681942075 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
3681942075 is an abundant number, since it is smaller than the sum of its proper divisors (4992105925).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3681942075 is an equidigital number, since it uses as much as digits as its factorization.
3681942075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99 (or 65 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 3681942075 is about 60679.0085202453. The cubic root of 3681942075 is about 1544.1600675405.
The spelling of 3681942075 in words is "three billion, six hundred eighty-one million, nine hundred forty-two thousand, seventy-five".
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