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1120680145 = 51317241233
BaseRepresentation
bin100001011001100…
…0011100011010001
32220002202110011001
41002303003203101
54243343231040
6303112022001
736525424024
oct10263034321
92802673131
101120680145
1152565a642
12273391901
1314b241860
14a8ba31bb
15685bd59a
hex42cc38d1

1120680145 has 8 divisors (see below), whose sum is σ = 1448263656. Its totient is φ = 827579136.

The previous prime is 1120680073. The next prime is 1120680149. The reversal of 1120680145 is 5410860211.

It can be written as a sum of positive squares in 4 ways, for example, as 84934656 + 1035745489 = 9216^2 + 32183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1120680145 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120680149) 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 7 ways as a sum of consecutive naturals, for example, 8620552 + ... + 8620681.

It is an arithmetic number, because the mean of its divisors is an integer number (181032957).

Almost surely, 21120680145 is an apocalyptic number.

It is an amenable number.

1120680145 is a deficient number, since it is larger than the sum of its proper divisors (327583511).

1120680145 is a wasteful number, since it uses less digits than its factorization.

1120680145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17241251.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1120680145 is about 33476.5611286464. The cubic root of 1120680145 is about 1038.7089950280.

The spelling of 1120680145 in words is "one billion, one hundred twenty million, six hundred eighty thousand, one hundred forty-five".

Divisors: 1 5 13 65 17241233 86206165 224136029 1120680145