Base | Representation |
---|---|
bin | 1001000101101… |
… | …0111000110010 |
3 | 2122201202012021 |
4 | 2101122320302 |
5 | 34224333020 |
6 | 3441022054 |
7 | 642010654 |
oct | 221327062 |
9 | 78652167 |
10 | 38121010 |
11 | 1a577974 |
12 | 1092492a |
13 | 7b89515 |
14 | 50c46d4 |
15 | 35301aa |
hex | 245ae32 |
38121010 has 16 divisors (see below), whose sum is σ = 70831872. Its totient is φ = 14756400.
The previous prime is 38121001. The next prime is 38121023. The reversal of 38121010 is 1012183.
It is a super-2 number, since 2×381210102 = 2906422806840200, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61176 + ... + 61795.
It is an arithmetic number, because the mean of its divisors is an integer number (4426992).
Almost surely, 238121010 is an apocalyptic number.
38121010 is a deficient number, since it is larger than the sum of its proper divisors (32710862).
38121010 is a wasteful number, since it uses less digits than its factorization.
38121010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123009.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 38121010 is about 6174.2214084045. The cubic root of 38121010 is about 336.5540332738.
Adding to 38121010 its reverse (1012183), we get a palindrome (39133193).
The spelling of 38121010 in words is "thirty-eight million, one hundred twenty-one thousand, ten".
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