Base | Representation |
---|---|
bin | 100011111011000100… |
… | …111000101000001101 |
3 | 10200120011012201002100 |
4 | 203323010320220031 |
5 | 1112443424200414 |
6 | 25415245545313 |
7 | 2533565304234 |
oct | 437304705015 |
9 | 120504181070 |
10 | 38572100109 |
11 | 153a3a43794 |
12 | 7585875239 |
13 | 38392b599a |
14 | 1c1cab5b1b |
15 | 100b480609 |
hex | 8fb138a0d |
38572100109 has 24 divisors (see below), whose sum is σ = 56493657792. Its totient is φ = 25355661120.
The previous prime is 38572100101. The next prime is 38572100179. The reversal of 38572100109 is 90100127583.
38572100109 is a `hidden beast` number, since 385 + 72 + 100 + 109 = 666.
It is not a de Polignac number, because 38572100109 - 23 = 38572100101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38572100101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3944344 + ... + 3954110.
It is an arithmetic number, because the mean of its divisors is an integer number (2353902408).
Almost surely, 238572100109 is an apocalyptic number.
It is an amenable number.
38572100109 is a deficient number, since it is larger than the sum of its proper divisors (17921557683).
38572100109 is a wasteful number, since it uses less digits than its factorization.
38572100109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15857 (or 15854 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The spelling of 38572100109 in words is "thirty-eight billion, five hundred seventy-two million, one hundred thousand, one hundred nine".
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