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13311382849 = 432634312731
BaseRepresentation
bin11000110010110101…
…11001010101000001
31021100200201022102121
430121122321111001
5204230203222344
610040513044241
7650603613232
oct143132712501
937320638377
1013311382849
115710a23a56
1226b5b56681
131341a568cb
14903c63089
1552d95d684
hex3196b9541

13311382849 has 16 divisors (see below), whose sum is σ = 13709481984. Its totient is φ = 12917595600.

The previous prime is 13311382807. The next prime is 13311382859. The reversal of 13311382849 is 94828311331.

It is a de Polignac number, because none of the positive numbers 2k-13311382849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311382859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4872814 + ... + 4875544.

It is an arithmetic number, because the mean of its divisors is an integer number (856842624).

Almost surely, 213311382849 is an apocalyptic number.

It is an amenable number.

13311382849 is a deficient number, since it is larger than the sum of its proper divisors (398099135).

13311382849 is a wasteful number, since it uses less digits than its factorization.

13311382849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468.

The product of its digits is 124416, while the sum is 43.

The spelling of 13311382849 in words is "thirteen billion, three hundred eleven million, three hundred eighty-two thousand, eight hundred forty-nine".

Divisors: 1 43 263 431 2731 11309 18533 113353 117433 718253 1177061 4874179 30884879 50613623 309567043 13311382849