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1344015020 = 22567200751
BaseRepresentation
bin101000000011100…
…0000101010101100
310110200000001000002
41100013000222230
510223031440040
6341210523432
745206640065
oct12007005254
93420001002
101344015020
1162a730417
12316136578
131855a917a
14ca6db56c
157ced6a15
hex501c0aac

1344015020 has 12 divisors (see below), whose sum is σ = 2822431584. Its totient is φ = 537606000.

The previous prime is 1344015007. The next prime is 1344015059. The reversal of 1344015020 is 205104431.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 67200751 = 1344015020 / (1 + 3 + 4 + 4 + 0 + 1 + 5 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1344014983 and 1344015001.

It is an unprimeable number.

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, 33600356 + ... + 33600395.

It is an arithmetic number, because the mean of its divisors is an integer number (235202632).

Almost surely, 21344015020 is an apocalyptic number.

1344015020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344015020 is an abundant number, since it is smaller than the sum of its proper divisors (1478416564).

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

1344015020 is a wasteful number, since it uses less digits than its factorization.

1344015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67200760 (or 67200758 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1344015020 is about 36660.8104111188. The cubic root of 1344015020 is about 1103.5737815531.

Adding to 1344015020 its reverse (205104431), we get a palindrome (1549119451).

The spelling of 1344015020 in words is "one billion, three hundred forty-four million, fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 67200751 134401502 268803004 336003755 672007510 1344015020