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13899527039 = 61227861099
BaseRepresentation
bin11001111000111100…
…11111001101111111
31022212200102010120202
430330132133031333
5211431234331124
610215123034115
71001305013306
oct147436371577
938780363522
1013899527039
115992a14432
12283ab0b93b
131406861018
1495c00143d
155653d85ae
hex33c79f37f

13899527039 has 4 divisors (see below), whose sum is σ = 14127388200. Its totient is φ = 13671665880.

The previous prime is 13899527017. The next prime is 13899527053. The reversal of 13899527039 is 93072599831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93072599831 = 227410011453.

It is a cyclic number.

It is not a de Polignac number, because 13899527039 - 212 = 13899522943 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 (13899527069) 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, 113930489 + ... + 113930610.

It is an arithmetic number, because the mean of its divisors is an integer number (3531847050).

Almost surely, 213899527039 is an apocalyptic number.

13899527039 is a deficient number, since it is larger than the sum of its proper divisors (227861161).

13899527039 is an equidigital number, since it uses as much as digits as its factorization.

13899527039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227861160.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The spelling of 13899527039 in words is "thirteen billion, eight hundred ninety-nine million, five hundred twenty-seven thousand, thirty-nine".

Divisors: 1 61 227861099 13899527039