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1120648841 = 13793710861
BaseRepresentation
bin100001011001011…
…1011111010001001
32220002200212012122
41002302323322021
54243341230331
6303111221025
736525233534
oct10262737211
92802625178
101120648841
11525639074
12273377775
1314b230530
14a8b95a1b
15685b417b
hex42cbbe89

1120648841 has 8 divisors (see below), whose sum is σ = 1207115784. Its totient is φ = 1034219520.

The previous prime is 1120648807. The next prime is 1120648897. The reversal of 1120648841 is 1488460211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 249513616 + 871135225 = 15796^2 + 29515^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1120648841 - 230 = 46907017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120648541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97751 + ... + 108611.

It is an arithmetic number, because the mean of its divisors is an integer number (150889473).

Almost surely, 21120648841 is an apocalyptic number.

It is an amenable number.

1120648841 is a deficient number, since it is larger than the sum of its proper divisors (86466943).

1120648841 is a wasteful number, since it uses less digits than its factorization.

1120648841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18811.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1120648841 is about 33476.0935743704. The cubic root of 1120648841 is about 1038.6993235057.

The spelling of 1120648841 in words is "one billion, one hundred twenty million, six hundred forty-eight thousand, eight hundred forty-one".

Divisors: 1 13 7937 10861 103181 141193 86203757 1120648841