Base | Representation |
---|---|
bin | 100100001010110… |
… | …0011010101111101 |
3 | 10010120121202001010 |
4 | 1020111203111331 |
5 | 4441140444331 |
6 | 320231505433 |
7 | 42034336440 |
oct | 11025432575 |
9 | 3116552033 |
10 | 1213609341 |
11 | 57306172a |
12 | 29a528279 |
13 | 16457ab49 |
14 | b7273657 |
15 | 71827e46 |
hex | 4856357d |
1213609341 has 16 divisors (see below), whose sum is σ = 1852416000. Its totient is φ = 692326128.
The previous prime is 1213609337. The next prime is 1213609343. The reversal of 1213609341 is 1439063121.
It is not a de Polignac number, because 1213609341 - 22 = 1213609337 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1213609299 and 1213609308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213609343) 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, 35661 + ... + 60818.
It is an arithmetic number, because the mean of its divisors is an integer number (115776000).
Almost surely, 21213609341 is an apocalyptic number.
It is an amenable number.
1213609341 is a deficient number, since it is larger than the sum of its proper divisors (638806659).
1213609341 is an equidigital number, since it uses as much as digits as its factorization.
1213609341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97088.
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 1213609341 is about 34836.8962595694. The cubic root of 1213609341 is about 1066.6607226991.
The spelling of 1213609341 in words is "one billion, two hundred thirteen million, six hundred nine thousand, three hundred forty-one".
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