Base | Representation |
---|---|
bin | 11010000010110111… |
… | …110110000001010010 |
3 | 2200011221222122001010 |
4 | 122002313312001102 |
5 | 424233130343132 |
6 | 20502553151350 |
7 | 2010003444462 |
oct | 320267660122 |
9 | 80157878033 |
10 | 27965481042 |
11 | 1095086a904 |
12 | 55056bb556 |
13 | 2838a22c25 |
14 | 14d4165ba2 |
15 | ada1e86cc |
hex | 682df6052 |
27965481042 has 16 divisors (see below), whose sum is σ = 55957864032. Its totient is φ = 9317343360.
The previous prime is 27965481001. The next prime is 27965481043. The reversal of 27965481042 is 24018456972.
It is a super-2 number, since 2×279654810422 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 27965480982 and 27965481000.
It is not an unprimeable number, because it can be changed into a prime (27965481043) 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, 1107388 + ... + 1132359.
It is an arithmetic number, because the mean of its divisors is an integer number (3497366502).
Almost surely, 227965481042 is an apocalyptic number.
27965481042 is an abundant number, since it is smaller than the sum of its proper divisors (27992382990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27965481042 is a wasteful number, since it uses less digits than its factorization.
27965481042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2241833.
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 27965481042 in words is "twenty-seven billion, nine hundred sixty-five million, four hundred eighty-one thousand, forty-two".
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