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7013200321 = 33712080451
BaseRepresentation
bin1101000100000010…
…01111000111000001
3200002202120111020001
412202001033013001
5103330334402241
63115525120001
7335536135111
oct64201170701
920082514201
107013200321
112a79850226
121438859001
13879c7839a
144a75d5041
152b0a75431
hex1a204f1c1

7013200321 has 4 divisors (see below), whose sum is σ = 7015284144. Its totient is φ = 7011116500.

The previous prime is 7013200309. The next prime is 7013200331. The reversal of 7013200321 is 1230023107.

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 a cyclic number.

It is not a de Polignac number, because 7013200321 - 213 = 7013192129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7013200331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036855 + ... + 1043596.

It is an arithmetic number, because the mean of its divisors is an integer number (1753821036).

Almost surely, 27013200321 is an apocalyptic number.

It is an amenable number.

7013200321 is a deficient number, since it is larger than the sum of its proper divisors (2083823).

7013200321 is a wasteful number, since it uses less digits than its factorization.

7013200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083822.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 7013200321 is about 83744.8525044973. The cubic root of 7013200321 is about 1914.1328708503.

Adding to 7013200321 its reverse (1230023107), we get a palindrome (8243223428).

The spelling of 7013200321 in words is "seven billion, thirteen million, two hundred thousand, three hundred twenty-one".

Divisors: 1 3371 2080451 7013200321