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13809075119 = 79971978661
BaseRepresentation
bin11001101110001010…
…11100001110101111
31022122101012200212122
430313011130032233
5211240110400434
610202132223155
7666126126140
oct146705341657
938571180778
1013809075119
115946954584
12281476aabb
1313c0bb1488
1494ddb7ac7
1555c4bcc2e
hex33715c3af

13809075119 has 8 divisors (see below), whose sum is σ = 15797637408. Its totient is φ = 11824472160.

The previous prime is 13809075089. The next prime is 13809075121. The reversal of 13809075119 is 91157090831.

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

It is a cyclic number.

It is not a de Polignac number, because 13809075119 - 224 = 13792297903 is a prime.

It is a super-2 number, since 2×138090751192 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13809075119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13809075199) 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, 982352 + ... + 996309.

It is an arithmetic number, because the mean of its divisors is an integer number (1974704676).

Almost surely, 213809075119 is an apocalyptic number.

13809075119 is a deficient number, since it is larger than the sum of its proper divisors (1988562289).

13809075119 is an equidigital number, since it uses as much as digits as its factorization.

13809075119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979665.

The product of its (nonzero) digits is 68040, while the sum is 44.

The spelling of 13809075119 in words is "thirteen billion, eight hundred nine million, seventy-five thousand, one hundred nineteen".

Divisors: 1 7 997 6979 1978661 13850627 1972725017 13809075119