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14215012452 = 2232394861457
BaseRepresentation
bin11010011110100011…
…11110000001100100
31100200200001110012200
431033101332001210
5213103020344302
610310313014500
71012155416664
oct151721760144
940620043180
1014215012452
116035005283
1229086b4430
131457021394
1498bc861a4
15582e5581c
hex34f47e064

14215012452 has 18 divisors (see below), whose sum is σ = 35932392678. Its totient is φ = 4738337472.

The previous prime is 14215012433. The next prime is 14215012463. The reversal of 14215012452 is 25421051241.

It is a happy number.

14215012452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8283548196 + 5931464256 = 91014^2 + 77016^2 .

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

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 197430693 + ... + 197430764.

Almost surely, 214215012452 is an apocalyptic number.

14215012452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14215012452 is an abundant number, since it is smaller than the sum of its proper divisors (21717380226).

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

14215012452 is a wasteful number, since it uses less digits than its factorization.

14215012452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394861467 (or 394861462 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 14215012452 its reverse (25421051241), we get a palindrome (39636063693).

The spelling of 14215012452 in words is "fourteen billion, two hundred fifteen million, twelve thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 394861457 789722914 1184584371 1579445828 2369168742 3553753113 4738337484 7107506226 14215012452