Base | Representation |
---|---|
bin | 11001001000100011… |
… | …110101101000100101 |
3 | 2120122210002200012100 |
4 | 121020203311220211 |
5 | 420232203024203 |
6 | 20221524242313 |
7 | 1643524026042 |
oct | 311043655045 |
9 | 76583080170 |
10 | 26987158053 |
11 | 10499602309 |
12 | 5291b40399 |
13 | 271113559b |
14 | 144025c1c9 |
15 | a7e399ea3 |
hex | 6488f5a25 |
26987158053 has 48 divisors (see below), whose sum is σ = 40642842240. Its totient is φ = 17234985600.
The previous prime is 26987158043. The next prime is 26987158057. The reversal of 26987158053 is 35085178962.
26987158053 is a `hidden beast` number, since 2 + 6 + 9 + 8 + 7 + 1 + 580 + 53 = 666.
It is not a de Polignac number, because 26987158053 - 212 = 26987153957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26987158057) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25387200 + ... + 25388262.
It is an arithmetic number, because the mean of its divisors is an integer number (846725880).
Almost surely, 226987158053 is an apocalyptic number.
It is an amenable number.
26987158053 is a deficient number, since it is larger than the sum of its proper divisors (13655684187).
26987158053 is a wasteful number, since it uses less digits than its factorization.
26987158053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1770 (or 1767 counting only the distinct ones).
The product of its (nonzero) digits is 3628800, while the sum is 54.
The spelling of 26987158053 in words is "twenty-six billion, nine hundred eighty-seven million, one hundred fifty-eight thousand, fifty-three".
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