Base | Representation |
---|---|
bin | 111101110111110… |
… | …011010010010001 |
3 | 2200100020210122211 |
4 | 331313303102101 |
5 | 4111214210121 |
6 | 251000432121 |
7 | 34503115216 |
oct | 7567632221 |
9 | 2610223584 |
10 | 1038038161 |
11 | 492a44486 |
12 | 24b778641 |
13 | 137097a84 |
14 | 9bc0db0d |
15 | 611e6ce1 |
hex | 3ddf3491 |
1038038161 has 4 divisors (see below), whose sum is σ = 1040350500. Its totient is φ = 1035725824.
The previous prime is 1038038147. The next prime is 1038038167. The reversal of 1038038161 is 1618308301.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 266309761 + 771728400 = 16319^2 + 27780^2 .
It is a cyclic number.
It is not a de Polignac number, because 1038038161 - 27 = 1038038033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1038038167) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155496 + ... + 1156393.
It is an arithmetic number, because the mean of its divisors is an integer number (260087625).
Almost surely, 21038038161 is an apocalyptic number.
It is an amenable number.
1038038161 is a deficient number, since it is larger than the sum of its proper divisors (2312339).
1038038161 is an equidigital number, since it uses as much as digits as its factorization.
1038038161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2312338.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 1038038161 is about 32218.5996126461. The cubic root of 1038038161 is about 1012.5219337015.
The spelling of 1038038161 in words is "one billion, thirty-eight million, thirty-eight thousand, one hundred sixty-one".
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