Base | Representation |
---|---|
bin | 100011100000010011… |
… | …010001000111110100 |
3 | 10122101211221020122200 |
4 | 203200103101013310 |
5 | 1111033424314440 |
6 | 25302521424500 |
7 | 2516502116061 |
oct | 434023210764 |
9 | 118354836580 |
10 | 38122885620 |
11 | 15193414246 |
12 | 747b33b130 |
13 | 37972026b1 |
14 | 1bb917dc68 |
15 | ed1ce9c30 |
hex | 8e04d11f4 |
38122885620 has 72 divisors (see below), whose sum is σ = 118764830184. Its totient is φ = 9891341568.
The previous prime is 38122885601. The next prime is 38122885651. The reversal of 38122885620 is 2658822183.
38122885620 is a `hidden beast` number, since 3 + 8 + 1 + 2 + 2 + 88 + 562 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 20973411684 + 17149473936 = 144822^2 + 130956^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2855419 + ... + 2868738.
Almost surely, 238122885620 is an apocalyptic number.
38122885620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38122885620 is an abundant number, since it is smaller than the sum of its proper divisors (80641944564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38122885620 is a wasteful number, since it uses less digits than its factorization.
38122885620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5724209 (or 5724204 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 45.
The spelling of 38122885620 in words is "thirty-eight billion, one hundred twenty-two million, eight hundred eighty-five thousand, six hundred twenty".
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