Base | Representation |
---|---|
bin | 111100101111110… |
… | …0110111000110001 |
3 | 12021001110211120021 |
4 | 1321133212320301 |
5 | 13133303011011 |
6 | 534132243441 |
7 | 101340336541 |
oct | 17137467061 |
9 | 5231424507 |
10 | 2038328881 |
11 | 956646726 |
12 | 48a770581 |
13 | 2663a7384 |
14 | 1549d5321 |
15 | bde34471 |
hex | 797e6e31 |
2038328881 has 8 divisors (see below), whose sum is σ = 2058008904. Its totient is φ = 2018718720.
The previous prime is 2038328879. The next prime is 2038328893. The reversal of 2038328881 is 1888238302.
It can be written as a sum of positive squares in 4 ways, for example, as 294431281 + 1743897600 = 17159^2 + 41760^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2038328881 - 21 = 2038328879 is a prime.
It is a super-2 number, since 2×20383288812 = 8309569254237424322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2038328821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42141 + ... + 76501.
It is an arithmetic number, because the mean of its divisors is an integer number (257251113).
Almost surely, 22038328881 is an apocalyptic number.
It is an amenable number.
2038328881 is a deficient number, since it is larger than the sum of its proper divisors (19680023).
2038328881 is a wasteful number, since it uses less digits than its factorization.
2038328881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34931.
The product of its (nonzero) digits is 147456, while the sum is 43.
The square root of 2038328881 is about 45147.8557741118. The cubic root of 2038328881 is about 1267.9187356907.
The spelling of 2038328881 in words is "two billion, thirty-eight million, three hundred twenty-eight thousand, eight hundred eighty-one".
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