Base | Representation |
---|---|
bin | 10010110001010110… |
… | …010111110111101001 |
3 | 1221000122202101122201 |
4 | 102301112113313221 |
5 | 312234224120403 |
6 | 13131554020201 |
7 | 1312316143345 |
oct | 226126276751 |
9 | 57018671581 |
10 | 20155301353 |
11 | 8603162250 |
12 | 3aa5b77661 |
13 | 1b92911825 |
14 | d92b90625 |
15 | 7ce6e621d |
hex | 4b1597de9 |
20155301353 has 16 divisors (see below), whose sum is σ = 22474402560. Its totient is φ = 17917993600.
The previous prime is 20155301351. The next prime is 20155301359. The reversal of 20155301353 is 35310355102.
It is a cyclic number.
It is not a de Polignac number, because 20155301353 - 21 = 20155301351 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20155301351) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619533 + ... + 651253.
It is an arithmetic number, because the mean of its divisors is an integer number (1404650160).
Almost surely, 220155301353 is an apocalyptic number.
It is an amenable number.
20155301353 is a deficient number, since it is larger than the sum of its proper divisors (2319101207).
20155301353 is a wasteful number, since it uses less digits than its factorization.
20155301353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33008.
The product of its (nonzero) digits is 6750, while the sum is 28.
Adding to 20155301353 its reverse (35310355102), we get a palindrome (55465656455).
The spelling of 20155301353 in words is "twenty billion, one hundred fifty-five million, three hundred one thousand, three hundred fifty-three".
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