Base | Representation |
---|---|
bin | 11010011010010000… |
… | …001010111010001011 |
3 | 2201012022002010222110 |
4 | 122122100022322023 |
5 | 431034034442102 |
6 | 21005524353403 |
7 | 2022505522260 |
oct | 323220127213 |
9 | 81168063873 |
10 | 28357734027 |
11 | 11032224327 |
12 | 55b4b45863 |
13 | 289c08129c |
14 | 15302b1267 |
15 | b0e87b86c |
hex | 69a40ae8b |
28357734027 has 8 divisors (see below), whose sum is σ = 43211785216. Its totient is φ = 16204419432.
The previous prime is 28357734001. The next prime is 28357734047. The reversal of 28357734027 is 72043775382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28357734027 - 222 = 28353539723 is a prime.
It is a super-2 number, since 2×283577340272 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28357734047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675184123 + ... + 675184164.
It is an arithmetic number, because the mean of its divisors is an integer number (5401473152).
Almost surely, 228357734027 is an apocalyptic number.
28357734027 is a deficient number, since it is larger than the sum of its proper divisors (14854051189).
28357734027 is a wasteful number, since it uses less digits than its factorization.
28357734027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1350368297.
The product of its (nonzero) digits is 1975680, while the sum is 48.
The spelling of 28357734027 in words is "twenty-eight billion, three hundred fifty-seven million, seven hundred thirty-four thousand, twenty-seven".
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