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5145468487 = 19843259309
BaseRepresentation
bin1001100101011000…
…11001111001000111
3111021121002212210221
410302230121321013
541014214442422
62210325125211
7241336521565
oct46254317107
914247085727
105145468487
1122005346a5
12bb7259807
13640032013
1436b52aa35
15201add3c7
hex132b19e47

5145468487 has 4 divisors (see below), whose sum is σ = 5145747640. Its totient is φ = 5145189336.

The previous prime is 5145468481. The next prime is 5145468509. The reversal of 5145468487 is 7848645415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5145468487 - 219 = 5144944199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145468481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109812 + ... + 149497.

It is an arithmetic number, because the mean of its divisors is an integer number (1286436910).

Almost surely, 25145468487 is an apocalyptic number.

5145468487 is a deficient number, since it is larger than the sum of its proper divisors (279153).

5145468487 is a wasteful number, since it uses less digits than its factorization.

5145468487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279152.

The product of its digits is 4300800, while the sum is 52.

The square root of 5145468487 is about 71731.9209766475. The cubic root of 5145468487 is about 1726.4008490032.

The spelling of 5145468487 in words is "five billion, one hundred forty-five million, four hundred sixty-eight thousand, four hundred eighty-seven".

Divisors: 1 19843 259309 5145468487