Base | Representation |
---|---|
bin | 1101001001010011001010… |
… | …01010110110000011001011 |
3 | 10210100110120111021220111000 |
4 | 12210221211022312003023 |
5 | 12242102140233244343 |
6 | 141251340233110043 |
7 | 6042310061312262 |
oct | 644514512660313 |
9 | 123313514256430 |
10 | 28906827243723 |
11 | 923535341a350 |
12 | 32aa405b58323 |
13 | 1318b95c31180 |
14 | 71d15290d5d9 |
15 | 351ded8b9ed3 |
hex | 1a4a652b60cb |
28906827243723 has 32 divisors (see below), whose sum is σ = 50311804999680. Its totient is φ = 16171651602720.
The previous prime is 28906827243713. The next prime is 28906827243733. The reversal of 28906827243723 is 32734272860982.
28906827243723 is a `hidden beast` number, since 28 + 90 + 6 + 8 + 2 + 72 + 437 + 23 = 666.
It is an interprime number because it is at equal distance from previous prime (28906827243713) and next prime (28906827243733).
It is not a de Polignac number, because 28906827243723 - 232 = 28902532276427 is a prime.
It is a super-2 number, since 2×289068272437232 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28906827243713) 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, 3743434011 + ... + 3743441732.
It is an arithmetic number, because the mean of its divisors is an integer number (1572243906240).
Almost surely, 228906827243723 is an apocalyptic number.
28906827243723 is a deficient number, since it is larger than the sum of its proper divisors (21404977755957).
28906827243723 is a wasteful number, since it uses less digits than its factorization.
28906827243723 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7486875776 (or 7486875770 counting only the distinct ones).
The product of its (nonzero) digits is 97542144, while the sum is 63.
The spelling of 28906827243723 in words is "twenty-eight trillion, nine hundred six billion, eight hundred twenty-seven million, two hundred forty-three thousand, seven hundred twenty-three".
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