Base | Representation |
---|---|
bin | 101000100011111… |
… | …1010110100000001 |
3 | 10111212000111201101 |
4 | 1101013322310001 |
5 | 10241410433101 |
6 | 343015334401 |
7 | 45504365443 |
oct | 12107726401 |
9 | 3455014641 |
10 | 1361030401 |
11 | 6392a2315 |
12 | 31b981401 |
13 | 188c85c43 |
14 | cca8a493 |
15 | 7e748401 |
hex | 511fad01 |
1361030401 has 4 divisors (see below), whose sum is σ = 1432663600. Its totient is φ = 1289397204.
The previous prime is 1361030393. The next prime is 1361030423. The reversal of 1361030401 is 1040301631.
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 a cyclic number.
It is not a de Polignac number, because 1361030401 - 23 = 1361030393 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 71633179 = 1361030401 / (1 + 3 + 6 + 1 + 0 + 3 + 0 + 4 + 0 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1361030201) 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, 35816571 + ... + 35816608.
It is an arithmetic number, because the mean of its divisors is an integer number (358165900).
Almost surely, 21361030401 is an apocalyptic number.
It is an amenable number.
1361030401 is a deficient number, since it is larger than the sum of its proper divisors (71633199).
1361030401 is an equidigital number, since it uses as much as digits as its factorization.
1361030401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71633198.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 1361030401 is about 36892.1455190668. The cubic root of 1361030401 is about 1108.2113880394.
The spelling of 1361030401 in words is "one billion, three hundred sixty-one million, thirty thousand, four hundred one".
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