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5464016581 = 36231508147
BaseRepresentation
bin1010001011010111…
…00100011011000101
3112002210111210122111
411011223210123011
542142242012311
62302104501021
7252255242332
oct50553443305
915083453574
105464016581
112354327591
121085a7a771
1369102540a
1439b96b989
1521ea62d21
hex145ae46c5

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".

Divisors: 1 3623 1508147 5464016581