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16056000001 = 49132700611
BaseRepresentation
bin11101111010000001…
…10001111000000001
31112102222012022100201
432331000301320001
5230340314000001
611213115445201
71105611514426
oct167500617001
945388168321
1016056000001
11689a214498
123141156801
13168b562622
14ac458bd4d
1563e8a8501
hex3bd031e01

16056000001 has 4 divisors (see below), whose sum is σ = 16088701104. Its totient is φ = 16023298900.

The previous prime is 16055999941. The next prime is 16056000031. The reversal of 16056000001 is 10000065061.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10000065061 = 71428580723.

It is a cyclic number.

It is not a de Polignac number, because 16056000001 - 29 = 16055999489 is a prime.

It is a super-2 number, since 2×160560000012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16056000031) 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, 16349815 + ... + 16350796.

It is an arithmetic number, because the mean of its divisors is an integer number (4022175276).

Almost surely, 216056000001 is an apocalyptic number.

It is an amenable number.

16056000001 is a deficient number, since it is larger than the sum of its proper divisors (32701103).

16056000001 is an equidigital number, since it uses as much as digits as its factorization.

16056000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32701102.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 16056000001 its reverse (10000065061), we get a palindrome (26056065062).

The spelling of 16056000001 in words is "sixteen billion, fifty-six million, one", and thus it is an aban number and an uban number.

Divisors: 1 491 32700611 16056000001