Base | Representation |
---|---|
bin | 11010011110110000… |
… | …010101101000111111 |
3 | 2201101120020001100010 |
4 | 122132300111220333 |
5 | 431212404303310 |
6 | 21021223434303 |
7 | 2024413565544 |
oct | 323660255077 |
9 | 81346201303 |
10 | 28433275455 |
11 | 1107092a762 |
12 | 56162b5993 |
13 | 28b1910160 |
14 | 153a336bcb |
15 | b162ee320 |
hex | 69ec15a3f |
28433275455 has 64 divisors (see below), whose sum is σ = 52018219008. Its totient is φ = 13138053120.
The previous prime is 28433275433. The next prime is 28433275463. The reversal of 28433275455 is 55457233482.
It is not a de Polignac number, because 28433275455 - 27 = 28433275327 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1204920 + ... + 1228290.
It is an arithmetic number, because the mean of its divisors is an integer number (812784672).
Almost surely, 228433275455 is an apocalyptic number.
28433275455 is a deficient number, since it is larger than the sum of its proper divisors (23584943553).
28433275455 is a wasteful number, since it uses less digits than its factorization.
28433275455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23776.
The product of its digits is 4032000, while the sum is 48.
The spelling of 28433275455 in words is "twenty-eight billion, four hundred thirty-three million, two hundred seventy-five thousand, four hundred fifty-five".
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