Base | Representation |
---|---|
bin | 11010010110010111… |
… | …110111000100000101 |
3 | 2201000202121002011200 |
4 | 122112113313010011 |
5 | 430420404003104 |
6 | 20555241253113 |
7 | 2021055323622 |
oct | 322627670405 |
9 | 81022532150 |
10 | 28292641029 |
11 | 10aa9504a64 |
12 | 5597194199 |
13 | 288b740113 |
14 | 15257a9349 |
15 | b08cbeb39 |
hex | 6965f7105 |
28292641029 has 12 divisors (see below), whose sum is σ = 41179112832. Its totient is φ = 18717777000.
The previous prime is 28292640991. The next prime is 28292641031. The reversal of 28292641029 is 92014629282.
28292641029 is a `hidden beast` number, since 282 + 9 + 264 + 102 + 9 = 666.
It is a de Polignac number, because none of the positive numbers 2k-28292641029 is a prime.
It is a super-3 number, since 3×282926410293 (a number of 32 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28292641529) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11997397 + ... + 11999754.
It is an arithmetic number, because the mean of its divisors is an integer number (3431592736).
Almost surely, 228292641029 is an apocalyptic number.
It is an amenable number.
28292641029 is a deficient number, since it is larger than the sum of its proper divisors (12886471803).
28292641029 is a wasteful number, since it uses less digits than its factorization.
28292641029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23997288 (or 23997285 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The spelling of 28292641029 in words is "twenty-eight billion, two hundred ninety-two million, six hundred forty-one thousand, twenty-nine".
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