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5040405145 = 51008081029
BaseRepresentation
bin1001011000110111…
…00111101010011001
3111000021102010000001
410230123213222121
540310320431040
62152053213001
7235622510506
oct45433475231
914007363001
105040405145
1121571a4a96
12b88031161
13624337969
1435b5bc4ad
151e778859a
hex12c6e7a99

5040405145 has 4 divisors (see below), whose sum is σ = 6048486180. Its totient is φ = 4032324112.

The previous prime is 5040405143. The next prime is 5040405169. The reversal of 5040405145 is 5415040405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5415040405 = 51083008081.

It can be written as a sum of positive squares in 2 ways, for example, as 936849664 + 4103555481 = 30608^2 + 64059^2 .

It is a cyclic number.

It is not a de Polignac number, because 5040405145 - 21 = 5040405143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5040405143) 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, 504040510 + ... + 504040519.

It is an arithmetic number, because the mean of its divisors is an integer number (1512121545).

Almost surely, 25040405145 is an apocalyptic number.

It is an amenable number.

5040405145 is a deficient number, since it is larger than the sum of its proper divisors (1008081035).

5040405145 is a wasteful number, since it uses less digits than its factorization.

5040405145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008081034.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 5040405145 is about 70995.8107566918. The cubic root of 5040405145 is about 1714.5697164179.

The spelling of 5040405145 in words is "five billion, forty million, four hundred five thousand, one hundred forty-five".

Divisors: 1 5 1008081029 5040405145