Base | Representation |
---|---|
bin | 1011000110011000011… |
… | …01000101001111101101 |
3 | 1100110102020121001000111 |
4 | 11203030031011033231 |
5 | 22222033033302334 |
6 | 451112135300021 |
7 | 36361012614514 |
oct | 5431415051755 |
9 | 1313366531014 |
10 | 381383103469 |
11 | 13781a9014a5 |
12 | 61ab851a611 |
13 | 29c6c677534 |
14 | 1465d87167b |
15 | 9dc22d6064 |
hex | 58cc3453ed |
381383103469 has 4 divisors (see below), whose sum is σ = 381384994140. Its totient is φ = 381381212800.
The previous prime is 381383103463. The next prime is 381383103473. The reversal of 381383103469 is 964301383183.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 258483778569 + 122899324900 = 508413^2 + 350570^2 .
It is a cyclic number.
It is not a de Polignac number, because 381383103469 - 219 = 381382579181 is a prime.
It is a super-2 number, since 2×3813831034692 (a number of 24 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381383103463) 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, 600934 + ... + 1060135.
It is an arithmetic number, because the mean of its divisors is an integer number (95346248535).
Almost surely, 2381383103469 is an apocalyptic number.
It is an amenable number.
381383103469 is a deficient number, since it is larger than the sum of its proper divisors (1890671).
381383103469 is a wasteful number, since it uses less digits than its factorization.
381383103469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1890670.
The product of its (nonzero) digits is 1119744, while the sum is 49.
The spelling of 381383103469 in words is "three hundred eighty-one billion, three hundred eighty-three million, one hundred three thousand, four hundred sixty-nine".
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