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1364287816 = 23379449963
BaseRepresentation
bin101000101010001…
…0110000101001000
310112002011000001101
41101110112011020
510243224202231
6343213231144
745544153333
oct12124260510
93462130041
101364287816
116401176a1
12320a924b4
131898567c8
14cd29761a
157eb8d661
hex51516148

1364287816 has 16 divisors (see below), whose sum is σ = 2564794800. Its totient is φ = 680342544.

The previous prime is 1364287807. The next prime is 1364287817. The reversal of 1364287816 is 6187824631.

It is a happy number.

It is a super-2 number, since 2×13642878162 = 3722562489772099712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1364287817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221950 + ... + 228013.

It is an arithmetic number, because the mean of its divisors is an integer number (160299675).

Almost surely, 21364287816 is an apocalyptic number.

It is an amenable number.

1364287816 is a deficient number, since it is larger than the sum of its proper divisors (1200506984).

1364287816 is a wasteful number, since it uses less digits than its factorization.

1364287816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450348 (or 450344 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 1364287816 is about 36936.2669472701. The cubic root of 1364287816 is about 1109.0947942939.

It can be divided in two parts, 1364 and 287816, that added together give a triangular number (289180 = T760).

The spelling of 1364287816 in words is "one billion, three hundred sixty-four million, two hundred eighty-seven thousand, eight hundred sixteen".

Divisors: 1 2 4 8 379 758 1516 3032 449963 899926 1799852 3599704 170535977 341071954 682143908 1364287816