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5145005847 = 31715001949
BaseRepresentation
bin1001100101010101…
…01000111100010111
3111021120020101012010
410302222220330113
541014110141342
62210311155303
7241332554022
oct46252507427
914246211163
105145005847
112200249053
12bb7075b33
1363cbcc577
1436b44a1b9
15201a4b29c
hex132aa8f17

5145005847 has 4 divisors (see below), whose sum is σ = 6860007800. Its totient is φ = 3430003896.

The previous prime is 5145005837. The next prime is 5145005863. The reversal of 5145005847 is 7485005415.

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

It is not a de Polignac number, because 5145005847 - 220 = 5143957271 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 (5145005837) 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, 857500972 + ... + 857500977.

It is an arithmetic number, because the mean of its divisors is an integer number (1715001950).

Almost surely, 25145005847 is an apocalyptic number.

5145005847 is a deficient number, since it is larger than the sum of its proper divisors (1715001953).

5145005847 is a wasteful number, since it uses less digits than its factorization.

5145005847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715001952.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 5145005847 is about 71728.6961194751. The cubic root of 5145005847 is about 1726.3491059967.

The spelling of 5145005847 in words is "five billion, one hundred forty-five million, five thousand, eight hundred forty-seven".

Divisors: 1 3 1715001949 5145005847