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1327751140 = 22566387557
BaseRepresentation
bin100111100100011…
…1101111111100100
310102112101202011011
41033020331333210
510204401014030
6335430152004
744621461402
oct11710757744
93375352134
101327751140
116215320a1
123107b2604
13182103481
14c84a6472
157b872b2a
hex4f23dfe4

1327751140 has 12 divisors (see below), whose sum is σ = 2788277436. Its totient is φ = 531100448.

The previous prime is 1327751137. The next prime is 1327751147. The reversal of 1327751140 is 411577231.

It can be written as a sum of positive squares in 2 ways, for example, as 986462464 + 341288676 = 31408^2 + 18474^2 .

It is not an unprimeable number, because it can be changed into a prime (1327751147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33193759 + ... + 33193798.

It is an arithmetic number, because the mean of its divisors is an integer number (232356453).

Almost surely, 21327751140 is an apocalyptic number.

1327751140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1327751140 is an abundant number, since it is smaller than the sum of its proper divisors (1460526296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1327751140 is a wasteful number, since it uses less digits than its factorization.

1327751140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66387566 (or 66387564 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 1327751140 is about 36438.3196648803. The cubic root of 1327751140 is about 1099.1042680470.

The spelling of 1327751140 in words is "one billion, three hundred twenty-seven million, seven hundred fifty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 66387557 132775114 265550228 331937785 663875570 1327751140