Base | Representation |
---|---|
bin | 11001111010111110… |
… | …001010101111001110 |
3 | 2122211201112212220100 |
4 | 121322332022233032 |
5 | 424000211433123 |
6 | 20441500031530 |
7 | 2003503632246 |
oct | 317276125716 |
9 | 78751485810 |
10 | 27832921038 |
11 | 10892a5a58a |
12 | 54892325a6 |
13 | 281741c160 |
14 | 14c06dab26 |
15 | acd761643 |
hex | 67af8abce |
27832921038 has 48 divisors (see below), whose sum is σ = 65410778160. Its totient is φ = 8502354432.
The previous prime is 27832921037. The next prime is 27832921063. The reversal of 27832921038 is 83012923872.
27832921038 is a `hidden beast` number, since 278 + 329 + 21 + 0 + 38 = 666.
27832921038 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 27832920984 and 27832921002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27832921037) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395331 + ... + 460382.
It is an arithmetic number, because the mean of its divisors is an integer number (1362724545).
Almost surely, 227832921038 is an apocalyptic number.
27832921038 is an abundant number, since it is smaller than the sum of its proper divisors (37577857122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27832921038 is a wasteful number, since it uses less digits than its factorization.
27832921038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 855873 (or 855870 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 27832921038 in words is "twenty-seven billion, eight hundred thirty-two million, nine hundred twenty-one thousand, thirty-eight".
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