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2214013507 = 2731810697
BaseRepresentation
bin1000001111110111…
…0010101001000011
312201022001112120021
42003331302221003
514013241413012
61003405554311
7105602542606
oct20375625103
95638045507
102214013507
11a36831132
12519575997
132938c9c84
1417008833d
15ce589007
hex83f72a43

2214013507 has 4 divisors (see below), whose sum is σ = 2214826936. Its totient is φ = 2213200080.

The previous prime is 2214013481. The next prime is 2214013517. The reversal of 2214013507 is 7053104122.

It is a happy number.

2214013507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7053104122 = 23526552061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2214013507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214013517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402618 + ... + 408079.

It is an arithmetic number, because the mean of its divisors is an integer number (553706734).

Almost surely, 22214013507 is an apocalyptic number.

2214013507 is a deficient number, since it is larger than the sum of its proper divisors (813429).

2214013507 is an equidigital number, since it uses as much as digits as its factorization.

2214013507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813428.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2214013507 is about 47053.3049529998. The cubic root of 2214013507 is about 1303.3470961729.

Adding to 2214013507 its reverse (7053104122), we get a palindrome (9267117629).

The spelling of 2214013507 in words is "two billion, two hundred fourteen million, thirteen thousand, five hundred seven".

Divisors: 1 2731 810697 2214013507