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5384308212 = 2232149564117
BaseRepresentation
bin1010000001110111…
…00000010111110100
3111220020112012022200
411000323200113310
542011340330322
62250140224500
7250266602403
oct50073402764
914806465280
105384308212
1123133354a8
12106323b130
1367a6679ba
1439113d63a
15217a6a8ac
hex140ee05f4

5384308212 has 18 divisors (see below), whose sum is σ = 13610334738. Its totient is φ = 1794769392.

The previous prime is 5384308201. The next prime is 5384308219. The reversal of 5384308212 is 2128034835.

5384308212 is a `hidden beast` number, since 5 + 3 + 8 + 430 + 8 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5017738896 + 366569316 = 70836^2 + 19146^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 149564117 = 5384308212 / (5 + 3 + 8 + 4 + 3 + 0 + 8 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5384308219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74782023 + ... + 74782094.

Almost surely, 25384308212 is an apocalyptic number.

It is an amenable number.

5384308212 is an abundant number, since it is smaller than the sum of its proper divisors (8226026526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5384308212 is a wasteful number, since it uses less digits than its factorization.

5384308212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149564127 (or 149564122 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 5384308212 is about 73377.8455121163. The cubic root of 5384308212 is about 1752.7096213719.

The spelling of 5384308212 in words is "five billion, three hundred eighty-four million, three hundred eight thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 149564117 299128234 448692351 598256468 897384702 1346077053 1794769404 2692154106 5384308212