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1349912912 = 24194440503
BaseRepresentation
bin101000001110110…
…0000100101010000
310111002002200101112
41100131200211100
510231034203122
6341541152452
745311033105
oct12035404520
93432080345
101349912912
11632a99607
123180bb728
1318689284a
14cb3d4aac
157d79e2e2
hex50760950

1349912912 has 20 divisors (see below), whose sum is σ = 2753112480. Its totient is φ = 639432288.

The previous prime is 1349912911. The next prime is 1349912917. The reversal of 1349912912 is 2192199431.

It is a self number, because there is not a number n which added to its sum of digits gives 1349912912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349912911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219948 + ... + 2220555.

It is an arithmetic number, because the mean of its divisors is an integer number (137655624).

Almost surely, 21349912912 is an apocalyptic number.

It is an amenable number.

1349912912 is an abundant number, since it is smaller than the sum of its proper divisors (1403199568).

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

1349912912 is a wasteful number, since it uses less digits than its factorization.

1349912912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440530 (or 4440524 counting only the distinct ones).

The product of its digits is 34992, while the sum is 41.

The square root of 1349912912 is about 36741.1610050635. The cubic root of 1349912912 is about 1105.1856835303.

The spelling of 1349912912 in words is "one billion, three hundred forty-nine million, nine hundred twelve thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 4440503 8881006 17762012 35524024 71048048 84369557 168739114 337478228 674956456 1349912912