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131200014 = 23111987879
BaseRepresentation
bin1111101000111…
…11010000001110
3100010212122120210
413310133100032
5232041400024
621004023250
73152116221
oct764372016
9303778523
10131200014
1168071570
1237b31b26
1321248a5a
14135d35b8
15b7b9129
hex7d1f40e

131200014 has 16 divisors (see below), whose sum is σ = 286254720. Its totient is φ = 39757560.

The previous prime is 131200007. The next prime is 131200057. The reversal of 131200014 is 410002131.

It is a happy number.

131200014 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993874 + ... + 994005.

It is an arithmetic number, because the mean of its divisors is an integer number (17890920).

Almost surely, 2131200014 is an apocalyptic number.

131200014 is an abundant number, since it is smaller than the sum of its proper divisors (155054706).

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

131200014 is a wasteful number, since it uses less digits than its factorization.

131200014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987895.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 131200014 is about 11454.2574617476. The cubic root of 131200014 is about 508.1336551829.

Adding to 131200014 its reverse (410002131), we get a palindrome (541202145).

The spelling of 131200014 in words is "one hundred thirty-one million, two hundred thousand, fourteen".

Divisors: 1 2 3 6 11 22 33 66 1987879 3975758 5963637 11927274 21866669 43733338 65600007 131200014