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7001122001 = 28324738947
BaseRepresentation
bin1101000010100110…
…01010010011010001
3200001220211211212212
412201103022103101
5103314241401001
63114414201505
7335331361256
oct64123122321
920056754785
107001122001
112a72a50645
1214347b3295
13877609853
144a5b6d42d
152ae98b7bb
hex1a14ca4d1

7001122001 has 4 divisors (see below), whose sum is σ = 7025861232. Its totient is φ = 6976382772.

The previous prime is 7001121997. The next prime is 7001122031. The reversal of 7001122001 is 1002211007.

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 7001122001 - 22 = 7001121997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7001122031) 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, 12369191 + ... + 12369756.

It is an arithmetic number, because the mean of its divisors is an integer number (1756465308).

Almost surely, 27001122001 is an apocalyptic number.

It is an amenable number.

7001122001 is a deficient number, since it is larger than the sum of its proper divisors (24739231).

7001122001 is a wasteful number, since it uses less digits than its factorization.

7001122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24739230.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 7001122001 is about 83672.7076232149. The cubic root of 7001122001 is about 1913.0333825836.

Adding to 7001122001 its reverse (1002211007), we get a palindrome (8003333008).

The spelling of 7001122001 in words is "seven billion, one million, one hundred twenty-two thousand, one".

Divisors: 1 283 24738947 7001122001