Base | Representation |
---|---|
bin | 1111011001111110… |
… | …01111101010010101 |
3 | 210100102021210011110 |
4 | 13230333033222111 |
5 | 113414332010433 |
6 | 3444415325233 |
7 | 411651036453 |
oct | 75477175225 |
9 | 23312253143 |
10 | 8270969493 |
11 | 3564823886 |
12 | 1729b20819 |
13 | a1a7182b7 |
14 | 5866819d3 |
15 | 3361c2963 |
hex | 1ecfcfa95 |
8270969493 has 4 divisors (see below), whose sum is σ = 11027959328. Its totient is φ = 5513979660.
The previous prime is 8270969471. The next prime is 8270969501. The reversal of 8270969493 is 3949690728.
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 8270969493 - 213 = 8270961301 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 (8270969453) 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, 1378494913 + ... + 1378494918.
It is an arithmetic number, because the mean of its divisors is an integer number (2756989832).
Almost surely, 28270969493 is an apocalyptic number.
It is an amenable number.
8270969493 is a deficient number, since it is larger than the sum of its proper divisors (2756989835).
8270969493 is a wasteful number, since it uses less digits than its factorization.
8270969493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2756989834.
The product of its (nonzero) digits is 5878656, while the sum is 57.
The square root of 8270969493 is about 90944.8706250111. The cubic root of 8270969493 is about 2022.3305367161.
The spelling of 8270969493 in words is "eight billion, two hundred seventy million, nine hundred sixty-nine thousand, four hundred ninety-three".
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