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13988112481 = 719110462313
BaseRepresentation
bin11010000011100000…
…11010100001100001
31100002212002201222001
431001300122201201
5212121424044411
610232005444001
71003431665020
oct150160324141
940085081861
1013988112481
115a28a19a42
122864710601
13141c009145
14969aa08b7
1556d085dc1
hex341c1a861

13988112481 has 8 divisors (see below), whose sum is σ = 16070114304. Its totient is φ = 11927035680.

The previous prime is 13988112419. The next prime is 13988112539. The reversal of 13988112481 is 18421188931.

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

It is not a de Polignac number, because 13988112481 - 27 = 13988112353 is a prime.

It is a super-2 number, since 2×139881124812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13988112181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5229820 + ... + 5232493.

It is an arithmetic number, because the mean of its divisors is an integer number (2008764288).

Almost surely, 213988112481 is an apocalyptic number.

It is an amenable number.

13988112481 is a deficient number, since it is larger than the sum of its proper divisors (2082001823).

13988112481 is a wasteful number, since it uses less digits than its factorization.

13988112481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462511.

The product of its digits is 110592, while the sum is 46.

The spelling of 13988112481 in words is "thirteen billion, nine hundred eighty-eight million, one hundred twelve thousand, four hundred eighty-one".

Divisors: 1 7 191 1337 10462313 73236191 1998301783 13988112481