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13900083449 = 76732950559
BaseRepresentation
bin11001111001000001…
…00111000011111001
31022212201110101211112
430330200213003321
5211431410132244
610215143010105
71001312521430
oct147440470371
938781411745
1013900083449
11599326447a
12283b139935
1314069c7365
1495c108117
1556549839e
hex33c8270f9

13900083449 has 8 divisors (see below), whose sum is σ = 15909419520. Its totient is φ = 11896649856.

The previous prime is 13900083443. The next prime is 13900083487. The reversal of 13900083449 is 94438000931.

13900083449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13900083449 - 216 = 13900017913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13900083443) 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, 1470569 + ... + 1479990.

It is an arithmetic number, because the mean of its divisors is an integer number (1988677440).

Almost surely, 213900083449 is an apocalyptic number.

It is an amenable number.

13900083449 is a deficient number, since it is larger than the sum of its proper divisors (2009336071).

13900083449 is an equidigital number, since it uses as much as digits as its factorization.

13900083449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951239.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 13900083449 in words is "thirteen billion, nine hundred million, eighty-three thousand, four hundred forty-nine".

Divisors: 1 7 673 4711 2950559 20653913 1985726207 13900083449