Base | Representation |
---|---|
bin | 100100001111010101… |
… | …111101100101110001 |
3 | 10201102212000120100010 |
4 | 210033111331211301 |
5 | 1114143000334301 |
6 | 25513113445133 |
7 | 2545164400332 |
oct | 441725754561 |
9 | 121385016303 |
10 | 38912121201 |
11 | 15558972658 |
12 | 765b7107a9 |
13 | 3891886ab5 |
14 | 1c51d06289 |
15 | 102b2475d6 |
hex | 90f57d971 |
38912121201 has 16 divisors (see below), whose sum is σ = 54620331840. Its totient is φ = 24573003840.
The previous prime is 38912121181. The next prime is 38912121203. The reversal of 38912121201 is 10212121983.
It is not a de Polignac number, because 38912121201 - 226 = 38845012337 is a prime.
It is a super-2 number, since 2×389121212012 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38912121203) 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, 470971 + ... + 547391.
It is an arithmetic number, because the mean of its divisors is an integer number (3413770740).
Almost surely, 238912121201 is an apocalyptic number.
It is an amenable number.
38912121201 is a deficient number, since it is larger than the sum of its proper divisors (15708210639).
38912121201 is a wasteful number, since it uses less digits than its factorization.
38912121201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85376.
The product of its (nonzero) digits is 1728, while the sum is 30.
The spelling of 38912121201 in words is "thirty-eight billion, nine hundred twelve million, one hundred twenty-one thousand, two hundred one".
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