Search a number
-
+
54447064423 = 134807403889
BaseRepresentation
bin110010101101010011…
…000100010101100111
312012112111202110011121
4302231103010111213
51343001422030143
641002421314411
73635151261103
oct625523042547
9165474673147
1054447064423
11210aaa48404
12a676265a07
1351991a0bab
1428c71ba903
151639ec87ed
hexcad4c4567

54447064423 has 4 divisors (see below), whose sum is σ = 54447603120. Its totient is φ = 54446525728.

The previous prime is 54447064409. The next prime is 54447064439. The reversal of 54447064423 is 32446074445.

It is a happy number.

54447064423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54447064423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54447064423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54447064453) 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, 67138 + ... + 336751.

It is an arithmetic number, because the mean of its divisors is an integer number (13611900780).

Almost surely, 254447064423 is an apocalyptic number.

54447064423 is a deficient number, since it is larger than the sum of its proper divisors (538697).

54447064423 is a wasteful number, since it uses less digits than its factorization.

54447064423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538696.

The product of its (nonzero) digits is 1290240, while the sum is 43.

The spelling of 54447064423 in words is "fifty-four billion, four hundred forty-seven million, sixty-four thousand, four hundred twenty-three".

Divisors: 1 134807 403889 54447064423