Base | Representation |
---|---|
bin | 11010101001010101… |
… | …011100110011100100 |
3 | 2201211221020000201012 |
4 | 122221111130303210 |
5 | 432043324320132 |
6 | 21051004121352 |
7 | 2032000404650 |
oct | 325125346344 |
9 | 81757200635 |
10 | 28610776292 |
11 | 1115204576a |
12 | 5665836258 |
13 | 290c61a637 |
14 | 1555b3da60 |
15 | b26bb20b2 |
hex | 6a955cce4 |
28610776292 has 24 divisors (see below), whose sum is σ = 58617202560. Its totient is φ = 11962693440.
The previous prime is 28610776267. The next prime is 28610776319. The reversal of 28610776292 is 29267701682.
It is a self number, because there is not a number n which added to its sum of digits gives 28610776292.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12459992 + ... + 12462287.
It is an arithmetic number, because the mean of its divisors is an integer number (2442383440).
Almost surely, 228610776292 is an apocalyptic number.
It is an amenable number.
28610776292 is an abundant number, since it is smaller than the sum of its proper divisors (30006426268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28610776292 is a wasteful number, since it uses less digits than its factorization.
28610776292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24922331 (or 24922329 counting only the distinct ones).
The product of its (nonzero) digits is 1016064, while the sum is 50.
The spelling of 28610776292 in words is "twenty-eight billion, six hundred ten million, seven hundred seventy-six thousand, two hundred ninety-two".
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