Base | Representation |
---|---|
bin | 11000010101100011… |
… | …101101110111010101 |
3 | 2111110011000010211210 |
4 | 120111203231313111 |
5 | 412004130110323 |
6 | 20001000252033 |
7 | 1613363661555 |
oct | 302543556725 |
9 | 74404003753 |
10 | 26131488213 |
11 | 1009a5a8956 |
12 | 5093471019 |
13 | 2605a9067c |
14 | 139c761165 |
15 | a2e1c8293 |
hex | 6158eddd5 |
26131488213 has 4 divisors (see below), whose sum is σ = 34841984288. Its totient is φ = 17420992140.
The previous prime is 26131488197. The next prime is 26131488259. The reversal of 26131488213 is 31288413162.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 26131488213 - 24 = 26131488197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26131488263) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4355248033 + ... + 4355248038.
It is an arithmetic number, because the mean of its divisors is an integer number (8710496072).
Almost surely, 226131488213 is an apocalyptic number.
It is an amenable number.
26131488213 is a deficient number, since it is larger than the sum of its proper divisors (8710496075).
26131488213 is an equidigital number, since it uses as much as digits as its factorization.
26131488213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8710496074.
The product of its digits is 55296, while the sum is 39.
The spelling of 26131488213 in words is "twenty-six billion, one hundred thirty-one million, four hundred eighty-eight thousand, two hundred thirteen".
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