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1330161655 = 5377190063
BaseRepresentation
bin100111101001000…
…1010011111110111
310102200221012202111
41033102022133313
510211010133110
6335553551451
744651121214
oct11722123767
93380835674
101330161655
11622929159
12311575587
13182768704
14c8932b0b
157bb9be8a
hex4f48a7f7

1330161655 has 8 divisors (see below), whose sum is σ = 1639334592. Its totient is φ = 1035368928.

The previous prime is 1330161629. The next prime is 1330161697. The reversal of 1330161655 is 5561610331.

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

It is not a de Polignac number, because 1330161655 - 29 = 1330161143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3594847 + ... + 3595216.

It is an arithmetic number, because the mean of its divisors is an integer number (204916824).

Almost surely, 21330161655 is an apocalyptic number.

1330161655 is a deficient number, since it is larger than the sum of its proper divisors (309172937).

1330161655 is an equidigital number, since it uses as much as digits as its factorization.

1330161655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190105.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1330161655 is about 36471.3813146692. The cubic root of 1330161655 is about 1099.7690024586.

Adding to 1330161655 its reverse (5561610331), we get a palindrome (6891771986).

The spelling of 1330161655 in words is "one billion, three hundred thirty million, one hundred sixty-one thousand, six hundred fifty-five".

Divisors: 1 5 37 185 7190063 35950315 266032331 1330161655