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1349619671 = 101130110271
BaseRepresentation
bin101000001110001…
…1000111111010111
310111001112210010202
41100130120333113
510231000312141
6341531011115
745305402141
oct12034307727
93431483122
101349619671
11632909264
12317b99a9b
131867bc22a
14cb359c91
157d74249b
hex50718fd7

1349619671 has 8 divisors (see below), whose sum is σ = 1364162688. Its totient is φ = 1335100000.

The previous prime is 1349619653. The next prime is 1349619679. The reversal of 1349619671 is 1769169431.

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-1349619671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349619679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126266 + ... + 136536.

It is an arithmetic number, because the mean of its divisors is an integer number (170520336).

Almost surely, 21349619671 is an apocalyptic number.

1349619671 is a deficient number, since it is larger than the sum of its proper divisors (14543017).

1349619671 is a wasteful number, since it uses less digits than its factorization.

1349619671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11673.

The product of its digits is 244944, while the sum is 47.

The square root of 1349619671 is about 36737.1701550351. The cubic root of 1349619671 is about 1105.1056513984.

The spelling of 1349619671 in words is "one billion, three hundred forty-nine million, six hundred nineteen thousand, six hundred seventy-one".

Divisors: 1 101 1301 10271 131401 1037371 13362571 1349619671