Base | Representation |
---|---|
bin | 1010001011010111… |
… | …00100011011000101 |
3 | 112002210111210122111 |
4 | 11011223210123011 |
5 | 42142242012311 |
6 | 2302104501021 |
7 | 252255242332 |
oct | 50553443305 |
9 | 15083453574 |
10 | 5464016581 |
11 | 2354327591 |
12 | 1085a7a771 |
13 | 69102540a |
14 | 39b96b989 |
15 | 21ea62d21 |
hex | 145ae46c5 |
5464016581 has 4 divisors (see below), whose sum is σ = 5465528352. Its totient is φ = 5462504812.
The previous prime is 5464016539. The next prime is 5464016611. The reversal of 5464016581 is 1856104645.
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 5464016581 - 217 = 5463885509 is a prime.
It is a super-2 number, since 2×54640165812 = 59710954394885859122, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) 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 (5464014581) 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, 750451 + ... + 757696.
It is an arithmetic number, because the mean of its divisors is an integer number (1366382088).
Almost surely, 25464016581 is an apocalyptic number.
It is an amenable number.
5464016581 is a deficient number, since it is larger than the sum of its proper divisors (1511771).
5464016581 is a wasteful number, since it uses less digits than its factorization.
5464016581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1511770.
The product of its (nonzero) digits is 115200, while the sum is 40.
The square root of 5464016581 is about 73918.9866069605. The cubic root of 5464016581 is about 1761.3162266883.
The spelling of 5464016581 in words is "five billion, four hundred sixty-four million, sixteen thousand, five hundred eighty-one".
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