Base | Representation |
---|---|
bin | 11010001010101100… |
… | …100100001011110111 |
3 | 2200112002222101102002 |
4 | 122022230210023313 |
5 | 430020231222020 |
6 | 20524002405515 |
7 | 2013156240050 |
oct | 321254441367 |
9 | 80462871362 |
10 | 28096742135 |
11 | 10a08973250 |
12 | 554166089b |
13 | 2859c90707 |
14 | 1507773727 |
15 | ae69c5975 |
hex | 68ab242f7 |
28096742135 has 32 divisors (see below), whose sum is σ = 42045986304. Its totient is φ = 17510544000.
The previous prime is 28096742117. The next prime is 28096742153. The reversal of 28096742135 is 53124769082.
It is an interprime number because it is at equal distance from previous prime (28096742117) and next prime (28096742153).
It is not a de Polignac number, because 28096742135 - 220 = 28095693559 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28096742135.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2389220 + ... + 2400950.
It is an arithmetic number, because the mean of its divisors is an integer number (1313937072).
It is a 2-persistent number, because it is pandigital, and so is 2⋅28096742135 = 56193484270, but 3⋅28096742135 = 84290226405 is not.
Almost surely, 228096742135 is an apocalyptic number.
28096742135 is the 136862-nd pentagonal number.
28096742135 is a deficient number, since it is larger than the sum of its proper divisors (13949244169).
28096742135 is a wasteful number, since it uses less digits than its factorization.
28096742135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17975.
The product of its (nonzero) digits is 725760, while the sum is 47.
The spelling of 28096742135 in words is "twenty-eight billion, ninety-six million, seven hundred forty-two thousand, one hundred thirty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •