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7012120001 = 34429203669
BaseRepresentation
bin1101000011111010…
…00111010111000001
3200002200112121022012
412201331013113001
5103330100320001
63115450022305
7335524015355
oct64175072701
920080477265
107012120001
112a791825a7
121438417995
1387998a743
144a73d3465
152b09102bb
hex1a1f475c1

7012120001 has 4 divisors (see below), whose sum is σ = 7012358100. Its totient is φ = 7011881904.

The previous prime is 7012119979. The next prime is 7012120057. The reversal of 7012120001 is 1000212107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2774760976 + 4237359025 = 52676^2 + 65095^2 .

It is a cyclic number.

It is not a de Polignac number, because 7012120001 - 26 = 7012119937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7012120061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67406 + ... + 136263.

It is an arithmetic number, because the mean of its divisors is an integer number (1753089525).

Almost surely, 27012120001 is an apocalyptic number.

It is an amenable number.

7012120001 is a deficient number, since it is larger than the sum of its proper divisors (238099).

7012120001 is a wasteful number, since it uses less digits than its factorization.

7012120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238098.

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

The square root of 7012120001 is about 83738.4021880045. The cubic root of 7012120001 is about 1914.0345808583.

Adding to 7012120001 its reverse (1000212107), we get a palindrome (8012332108).

The spelling of 7012120001 in words is "seven billion, twelve million, one hundred twenty thousand, one".

Divisors: 1 34429 203669 7012120001