Base | Representation |
---|---|
bin | 10100000110011111111… |
… | …101010010000010000001 |
3 | 11220001112220212102222011 |
4 | 110012133331102002001 |
5 | 140113020221102001 |
6 | 2534331453212521 |
7 | 201541406330116 |
oct | 24063775220201 |
9 | 4801486772864 |
10 | 1381368144001 |
11 | 49292033a09a |
12 | 1a3875491141 |
13 | a0354806001 |
14 | 4ac03d0290d |
15 | 25dec594d51 |
hex | 1419ff52081 |
1381368144001 has 4 divisors (see below), whose sum is σ = 1381488872752. Its totient is φ = 1381247415252.
The previous prime is 1381368143927. The next prime is 1381368144007. The reversal of 1381368144001 is 1004418631831.
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 1381368144001 - 221 = 1381366046849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1381368144007) 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, 60347211 + ... + 60370096.
It is an arithmetic number, because the mean of its divisors is an integer number (345372218188).
Almost surely, 21381368144001 is an apocalyptic number.
It is an amenable number.
1381368144001 is a deficient number, since it is larger than the sum of its proper divisors (120728751).
1381368144001 is a wasteful number, since it uses less digits than its factorization.
1381368144001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120728750.
The product of its (nonzero) digits is 55296, while the sum is 40.
The spelling of 1381368144001 in words is "one trillion, three hundred eighty-one billion, three hundred sixty-eight million, one hundred forty-four thousand, one".
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