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11969483447 = 192101129983
BaseRepresentation
bin10110010010110111…
…11101001010110111
31010220011200202111202
423021123331022313
5144003141432242
65255415323115
7602420634125
oct131133751267
933804622452
1011969483447
115092509089
1223a068049b
131189a3b6ac
14817956915
154a0c43932
hex2c96fd2b7

11969483447 has 8 divisors (see below), whose sum is σ = 12600476160. Its totient is φ = 11338592760.

The previous prime is 11969483443. The next prime is 11969483473. The reversal of 11969483447 is 74438496911.

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

It is not a de Polignac number, because 11969483447 - 22 = 11969483443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11969483392 and 11969483401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11969483443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384218 + ... + 414200.

It is an arithmetic number, because the mean of its divisors is an integer number (1575059520).

Almost surely, 211969483447 is an apocalyptic number.

11969483447 is a deficient number, since it is larger than the sum of its proper divisors (630992713).

11969483447 is a wasteful number, since it uses less digits than its factorization.

11969483447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51013.

The product of its digits is 5225472, while the sum is 56.

The spelling of 11969483447 in words is "eleven billion, nine hundred sixty-nine million, four hundred eighty-three thousand, four hundred forty-seven".

Divisors: 1 19 21011 29983 399209 569677 629972813 11969483447