Base | Representation |
---|---|
bin | 11001011010000101… |
… | …101000110011001110 |
3 | 2121102021110010111222 |
4 | 121122011220303032 |
5 | 421332443343204 |
6 | 20311031243342 |
7 | 1654024431530 |
oct | 313205506316 |
9 | 77367403458 |
10 | 27281231054 |
11 | 1062a5a8750 |
12 | 5354519552 |
13 | 275a03968c |
14 | 146b32b850 |
15 | a9a0d7abe |
hex | 65a168cce |
27281231054 has 64 divisors (see below), whose sum is σ = 54308620800. Its totient is φ = 9956390400.
The previous prime is 27281231027. The next prime is 27281231059. The reversal of 27281231054 is 45013218272.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27281231059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208034 + ... + 312794.
It is an arithmetic number, because the mean of its divisors is an integer number (848572200).
Almost surely, 227281231054 is an apocalyptic number.
27281231054 is a deficient number, since it is larger than the sum of its proper divisors (27027389746).
27281231054 is a wasteful number, since it uses less digits than its factorization.
27281231054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104889.
The product of its (nonzero) digits is 26880, while the sum is 35.
The spelling of 27281231054 in words is "twenty-seven billion, two hundred eighty-one million, two hundred thirty-one thousand, fifty-four".
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