Base | Representation |
---|---|
bin | 11010010100111101… |
… | …101110111110110001 |
3 | 2200222010010202022010 |
4 | 122110331232332301 |
5 | 430343331434321 |
6 | 20553035033133 |
7 | 2020350443145 |
oct | 322475567661 |
9 | 80863122263 |
10 | 28269014961 |
11 | 10a97138390 |
12 | 558b29b7a9 |
13 | 288688a3b5 |
14 | 15225b9225 |
15 | b06ba4676 |
hex | 694f6efb1 |
28269014961 has 32 divisors (see below), whose sum is σ = 45430253568. Its totient is φ = 15423837440.
The previous prime is 28269014959. The next prime is 28269014971. The reversal of 28269014961 is 16941096282.
It is not a de Polignac number, because 28269014961 - 21 = 28269014959 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 28269014961.
It is not an unprimeable number, because it can be changed into a prime (28269014911) 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, 1082541 + ... + 1108346.
It is an arithmetic number, because the mean of its divisors is an integer number (1419695424).
Almost surely, 228269014961 is an apocalyptic number.
It is an amenable number.
28269014961 is a deficient number, since it is larger than the sum of its proper divisors (17161238607).
28269014961 is a wasteful number, since it uses less digits than its factorization.
28269014961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2190941.
The product of its (nonzero) digits is 373248, while the sum is 48.
The spelling of 28269014961 in words is "twenty-eight billion, two hundred sixty-nine million, fourteen thousand, nine hundred sixty-one".
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