Base | Representation |
---|---|
bin | 11010101101010011… |
… | …000101100101011010 |
3 | 2202000120100001002212 |
4 | 122231103011211122 |
5 | 432212340001004 |
6 | 21101341155122 |
7 | 2033435510534 |
oct | 325523054532 |
9 | 82016301085 |
10 | 28677265754 |
11 | 11186629235 |
12 | 5683b5baa2 |
13 | 292032a307 |
14 | 15608ca854 |
15 | b2c94796e |
hex | 6ad4c595a |
28677265754 has 8 divisors (see below), whose sum is σ = 43034763828. Its totient is φ = 14332344480.
The previous prime is 28677265753. The next prime is 28677265783. The reversal of 28677265754 is 45756277682.
It can be written as a sum of positive squares in 2 ways, for example, as 28300323529 + 376942225 = 168227^2 + 19415^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×286772657542 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28677265693 and 28677265702.
It is not an unprimeable number, because it can be changed into a prime (28677265753) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3138497 + ... + 3147620.
Almost surely, 228677265754 is an apocalyptic number.
28677265754 is a deficient number, since it is larger than the sum of its proper divisors (14357498074).
28677265754 is a wasteful number, since it uses less digits than its factorization.
28677265754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6288400.
The product of its digits is 39513600, while the sum is 59.
The spelling of 28677265754 in words is "twenty-eight billion, six hundred seventy-seven million, two hundred sixty-five thousand, seven hundred fifty-four".
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