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1130380648 = 23141297581
BaseRepresentation
bin100001101100000…
…0011110101101000
32220210000021201221
41003120003311220
54303334140043
6304055551424
740004035255
oct10330036550
92823007657
101130380648
11530085791
1227668b574
13150259cb7
14aa1aa42c
15693878ed
hex43603d68

1130380648 has 8 divisors (see below), whose sum is σ = 2119463730. Its totient is φ = 565190320.

The previous prime is 1130380631. The next prime is 1130380649. The reversal of 1130380648 is 8460830311.

It can be written as a sum of positive squares in only one way, i.e., 791747044 + 338633604 = 28138^2 + 18402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×11303806483 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1130380649) 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 as a sum of consecutive naturals, namely, 70648783 + ... + 70648798.

Almost surely, 21130380648 is an apocalyptic number.

It is an amenable number.

1130380648 is a deficient number, since it is larger than the sum of its proper divisors (989083082).

1130380648 is a wasteful number, since it uses less digits than its factorization.

1130380648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141297587 (or 141297583 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1130380648 is about 33621.1339487531. The cubic root of 1130380648 is about 1041.6973786045.

The spelling of 1130380648 in words is "one billion, one hundred thirty million, three hundred eighty thousand, six hundred forty-eight".

Divisors: 1 2 4 8 141297581 282595162 565190324 1130380648