Base | Representation |
---|---|
bin | 1100111101001110101110… |
… | …00101101100111010101001 |
3 | 10201212211011022000001010110 |
4 | 12132213113011230322221 |
5 | 12213303333411424010 |
6 | 140333034032404533 |
7 | 6000326313513231 |
oct | 636472705547251 |
9 | 121784138001113 |
10 | 28492126670505 |
11 | 9095496798793 |
12 | 3241b6b6a6749 |
13 | 12b8a46b039c4 |
14 | 7070521cacc1 |
15 | 34622b606120 |
hex | 19e9d716cea9 |
28492126670505 has 32 divisors (see below), whose sum is σ = 46372285641600. Its totient is φ = 14934308959232.
The previous prime is 28492126670489. The next prime is 28492126670537. The reversal of 28492126670505 is 50507662129482.
It is a cyclic number.
It is not a de Polignac number, because 28492126670505 - 24 = 28492126670489 is a prime.
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, 879120 + ... + 7599809.
It is an arithmetic number, because the mean of its divisors is an integer number (1449133926300).
Almost surely, 228492126670505 is an apocalyptic number.
It is an amenable number.
28492126670505 is a deficient number, since it is larger than the sum of its proper divisors (17880158971095).
28492126670505 is a wasteful number, since it uses less digits than its factorization.
28492126670505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8482793.
The product of its (nonzero) digits is 14515200, while the sum is 57.
Adding to 28492126670505 its reverse (50507662129482), we get a palindrome (78999788799987).
The spelling of 28492126670505 in words is "twenty-eight trillion, four hundred ninety-two billion, one hundred twenty-six million, six hundred seventy thousand, five hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •