Base | Representation |
---|---|
bin | 11001000100101111… |
… | …001001001100010001 |
3 | 2120111022101202120020 |
4 | 121010233021030101 |
5 | 420114242403011 |
6 | 20211313334053 |
7 | 1642114555632 |
oct | 310457111421 |
9 | 76438352506 |
10 | 26923012881 |
11 | 10466380076 |
12 | 5274567329 |
13 | 2700a6696b |
14 | 1435921889 |
15 | a78929006 |
hex | 644bc9311 |
26923012881 has 8 divisors (see below), whose sum is σ = 36029814144. Its totient is φ = 17882443440.
The previous prime is 26923012859. The next prime is 26923012903. The reversal of 26923012881 is 18821032962.
It is an interprime number because it is at equal distance from previous prime (26923012859) and next prime (26923012903).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 26923012881 - 223 = 26914624273 is a prime.
It is a super-2 number, since 2×269230128812 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (26923012841) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16557006 + ... + 16558631.
It is an arithmetic number, because the mean of its divisors is an integer number (4503726768).
Almost surely, 226923012881 is an apocalyptic number.
It is an amenable number.
26923012881 is a deficient number, since it is larger than the sum of its proper divisors (9106801263).
26923012881 is a wasteful number, since it uses less digits than its factorization.
26923012881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33115911.
The product of its (nonzero) digits is 82944, while the sum is 42.
The spelling of 26923012881 in words is "twenty-six billion, nine hundred twenty-three million, twelve thousand, eight hundred eighty-one".
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