Base | Representation |
---|---|
bin | 100100010011100010… |
… | …001011010100010101 |
3 | 10201121202022201122120 |
4 | 210103202023110111 |
5 | 1114314000311041 |
6 | 25524104450153 |
7 | 2550010130211 |
oct | 442342132425 |
9 | 121552281576 |
10 | 38982432021 |
11 | 15594626175 |
12 | 767b179959 |
13 | 38a3303c30 |
14 | 1c5b3a9941 |
15 | 10324d5366 |
hex | 91388b515 |
38982432021 has 16 divisors (see below), whose sum is σ = 56298337536. Its totient is φ = 23850518976.
The previous prime is 38982432011. The next prime is 38982432067. The reversal of 38982432021 is 12023428983.
It is not a de Polignac number, because 38982432021 - 219 = 38981907733 is a prime.
It is a super-2 number, since 2×389824320212 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38982432011) 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, 2882125 + ... + 2895618.
It is an arithmetic number, because the mean of its divisors is an integer number (3518646096).
Almost surely, 238982432021 is an apocalyptic number.
It is an amenable number.
38982432021 is a deficient number, since it is larger than the sum of its proper divisors (17315905515).
38982432021 is a wasteful number, since it uses less digits than its factorization.
38982432021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5777932.
The product of its (nonzero) digits is 165888, while the sum is 42.
The spelling of 38982432021 in words is "thirty-eight billion, nine hundred eighty-two million, four hundred thirty-two thousand, twenty-one".
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