Base | Representation |
---|---|
bin | 1110000000000000… |
… | …0110000100000000 |
3 | 100200220120100010200 |
4 | 3200000012010000 |
5 | 30144034334331 |
6 | 1420525325200 |
7 | 162062334423 |
oct | 34000060400 |
9 | 10626510120 |
10 | 3758121216 |
11 | 16593a8103 |
12 | 88a706800 |
13 | 47b793685 |
14 | 27918d9ba |
15 | 16ede75e6 |
hex | e0006100 |
3758121216 has 108 divisors (see below), whose sum is σ = 10867124268. Its totient is φ = 1249062912.
The previous prime is 3758121193. The next prime is 3758121217. The reversal of 3758121216 is 6121218573.
3758121216 is a `hidden beast` number, since 37 + 581 + 21 + 21 + 6 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2101305600 + 1656815616 = 45840^2 + 40704^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3758121217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857206 + ... + 861578.
It is an arithmetic number, because the mean of its divisors is an integer number (100621521).
Almost surely, 23758121216 is an apocalyptic number.
3758121216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3758121216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5433562134).
3758121216 is an abundant number, since it is smaller than the sum of its proper divisors (7109003052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3758121216 is a wasteful number, since it uses less digits than its factorization.
3758121216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4768 (or 4751 counting only the distinct ones).
The product of its digits is 20160, while the sum is 36.
The square root of 3758121216 is about 61303.5171584796. The cubic root of 3758121216 is about 1554.7369779456.
Adding to 3758121216 its reverse (6121218573), we get a palindrome (9879339789).
The spelling of 3758121216 in words is "three billion, seven hundred fifty-eight million, one hundred twenty-one thousand, two hundred sixteen".
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