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13807690399 = 15598856761
BaseRepresentation
bin11001101110000000…
…01010001010011111
31022122021121100101201
430313000022022133
5211234232043044
610202042420331
7666111301066
oct146700121237
938567540351
1013807690399
115946099188
1228142016a7
1313c0818109
1494db371dd
1555c2e77d4
hex33700a29f

13807690399 has 4 divisors (see below), whose sum is σ = 13816548720. Its totient is φ = 13798832080.

The previous prime is 13807690381. The next prime is 13807690459. The reversal of 13807690399 is 99309670831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13807690399 - 25 = 13807690367 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 (13807600399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4426822 + ... + 4429939.

It is an arithmetic number, because the mean of its divisors is an integer number (3454137180).

Almost surely, 213807690399 is an apocalyptic number.

13807690399 is a deficient number, since it is larger than the sum of its proper divisors (8858321).

13807690399 is an equidigital number, since it uses as much as digits as its factorization.

13807690399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8858320.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 13807690399 in words is "thirteen billion, eight hundred seven million, six hundred ninety thousand, three hundred ninety-nine".

Divisors: 1 1559 8856761 13807690399