Base | Representation |
---|---|
bin | 1101000000110011110000… |
… | …00111000101001101111101 |
3 | 10202022120112122000120210121 |
4 | 12200121320013011031331 |
5 | 12222312144313421003 |
6 | 140505331204334541 |
7 | 6012241352260522 |
oct | 640317007051575 |
9 | 122276478016717 |
10 | 28615087248253 |
11 | 9132654837780 |
12 | 32619669a4451 |
13 | 12c751147ba0c |
14 | 70cd987d7149 |
15 | 349526464cbd |
hex | 1a06781c537d |
28615087248253 has 32 divisors (see below), whose sum is σ = 31556277043200. Its totient is φ = 25731143391360.
The previous prime is 28615087248203. The next prime is 28615087248257. The reversal of 28615087248253 is 35284278051682.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-28615087248253 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28615087248191 and 28615087248200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28615087248257) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4892301273 + ... + 4892307121.
It is an arithmetic number, because the mean of its divisors is an integer number (986133657600).
Almost surely, 228615087248253 is an apocalyptic number.
It is an amenable number.
28615087248253 is a deficient number, since it is larger than the sum of its proper divisors (2941189794947).
28615087248253 is a wasteful number, since it uses less digits than its factorization.
28615087248253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10257.
The product of its (nonzero) digits is 51609600, while the sum is 61.
The spelling of 28615087248253 in words is "twenty-eight trillion, six hundred fifteen billion, eighty-seven million, two hundred forty-eight thousand, two hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •