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13989869662 = 26994934831
BaseRepresentation
bin11010000011101110…
…00111100001011110
31100002222102000100211
431001313013201132
5212122401312122
610232111243034
71003452634006
oct150167074136
940088360324
1013989869662
115a29a0a15a
12286521947a
13141c4a2bb2
14969ddb006
1556d2d1877
hex341dc785e

13989869662 has 4 divisors (see below), whose sum is σ = 20984804496. Its totient is φ = 6994934830.

The previous prime is 13989869657. The next prime is 13989869713. The reversal of 13989869662 is 26696898931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26696898931 = 71376012661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497467414 + ... + 3497467417.

It is an arithmetic number, because the mean of its divisors is an integer number (5246201124).

Almost surely, 213989869662 is an apocalyptic number.

13989869662 is a deficient number, since it is larger than the sum of its proper divisors (6994934834).

13989869662 is an equidigital number, since it uses as much as digits as its factorization.

13989869662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994934833.

The product of its digits is 60466176, while the sum is 67.

The spelling of 13989869662 in words is "thirteen billion, nine hundred eighty-nine million, eight hundred sixty-nine thousand, six hundred sixty-two".

Divisors: 1 2 6994934831 13989869662