Base | Representation |
---|---|
bin | 1111101111001001011… |
… | …1011111001010001001 |
3 | 221211211110011010202212 |
4 | 3323302113133022021 |
5 | 13412141134344221 |
6 | 324110553034505 |
7 | 25350425626043 |
oct | 3736227371211 |
9 | 854743133685 |
10 | 270354215561 |
11 | a47249a7701 |
12 | 444910b5a35 |
13 | 1c656c67721 |
14 | d129b80a93 |
15 | 7074c02b5b |
hex | 3ef25df289 |
270354215561 has 8 divisors (see below), whose sum is σ = 272094590280. Its totient is φ = 268614073728.
The previous prime is 270354215531. The next prime is 270354215569. The reversal of 270354215561 is 165512453072.
It can be written as a sum of positive squares in 4 ways, for example, as 153762015625 + 116592199936 = 392125^2 + 341456^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 270354215561 - 222 = 270350021257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (270354215569) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685035 + ... + 2783903.
It is an arithmetic number, because the mean of its divisors is an integer number (34011823785).
Almost surely, 2270354215561 is an apocalyptic number.
It is an amenable number.
270354215561 is a deficient number, since it is larger than the sum of its proper divisors (1740374719).
270354215561 is a wasteful number, since it uses less digits than its factorization.
270354215561 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116443.
The product of its (nonzero) digits is 252000, while the sum is 41.
The spelling of 270354215561 in words is "two hundred seventy billion, three hundred fifty-four million, two hundred fifteen thousand, five hundred sixty-one".
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