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7013449389 = 32337816463
BaseRepresentation
bin1101000100000100…
…01011111010101101
3200002210001010212210
412202002023322231
5103330420340024
63115534321033
7335541223212
oct64202137255
920083033783
107013449389
112a79a00371
121438959179
1387a03486b
144a765bb09
152b0ac4129
hex1a208bead

7013449389 has 4 divisors (see below), whose sum is σ = 9351265856. Its totient is φ = 4675632924.

The previous prime is 7013449343. The next prime is 7013449447. The reversal of 7013449389 is 9839443107.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7013449389 - 215 = 7013416621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7013449189) 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, 1168908229 + ... + 1168908234.

It is an arithmetic number, because the mean of its divisors is an integer number (2337816464).

Almost surely, 27013449389 is an apocalyptic number.

It is an amenable number.

7013449389 is a deficient number, since it is larger than the sum of its proper divisors (2337816467).

7013449389 is a wasteful number, since it uses less digits than its factorization.

7013449389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337816466.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 7013449389 is about 83746.3395558278. The cubic root of 7013449389 is about 1914.1555301965.

The spelling of 7013449389 in words is "seven billion, thirteen million, four hundred forty-nine thousand, three hundred eighty-nine".

Divisors: 1 3 2337816463 7013449389