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5120000001 = 32836854083
BaseRepresentation
bin1001100010010110…
…10000000000000001
3111012211011221121200
410301023100000001
540441210000001
62204015211413
7240610165464
oct46113200001
914184157550
105120000001
112198119866
12baa816b69
136379857cc
14367dbb2db
151ee75c086
hex1312d0001

5120000001 has 12 divisors (see below), whose sum is σ = 7484659728. Its totient is φ = 3372208344.

The previous prime is 5119999991. The next prime is 5120000063. The reversal of 5120000001 is 1000000215.

It is a happy number.

It is not a de Polignac number, because 5120000001 - 210 = 5119998977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5120000071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3426295 + ... + 3427788.

It is an arithmetic number, because the mean of its divisors is an integer number (623721644).

Almost surely, 25120000001 is an apocalyptic number.

It is an amenable number.

5120000001 is a deficient number, since it is larger than the sum of its proper divisors (2364659727).

5120000001 is a wasteful number, since it uses less digits than its factorization.

5120000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854172 (or 6854169 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 5120000001 is about 71554.1752869810. The cubic root of 5120000001 is about 1723.5477521377.

Adding to 5120000001 its reverse (1000000215), we get a palindrome (6120000216).

The spelling of 5120000001 in words is "five billion, one hundred twenty million, one", and thus it is an aban number.

Divisors: 1 3 9 83 249 747 6854083 20562249 61686747 568888889 1706666667 5120000001