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13883884421 = 1119118156249
BaseRepresentation
bin11001110111000101…
…10100001110000101
31022211120222101221112
430323202310032011
5211413233300141
610213403454405
71001025033101
oct147342641605
938746871845
1013883884421
1159850aa950
122835827405
131403545034
14959ccc901
15563d487eb
hex33b8b4385

13883884421 has 16 divisors (see below), whose sum is σ = 15957000000. Its totient is φ = 11947075200.

The previous prime is 13883884393. The next prime is 13883884447. The reversal of 13883884421 is 12448838831.

13883884421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13883884421 - 210 = 13883883397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13883884421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13883883421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218705 + ... + 274953.

It is an arithmetic number, because the mean of its divisors is an integer number (997312500).

Almost surely, 213883884421 is an apocalyptic number.

13883884421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13883884421 is a deficient number, since it is larger than the sum of its proper divisors (2073115579).

13883884421 is a wasteful number, since it uses less digits than its factorization.

13883884421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57460.

The product of its digits is 1179648, while the sum is 50.

The spelling of 13883884421 in words is "thirteen billion, eight hundred eighty-three million, eight hundred eighty-four thousand, four hundred twenty-one".

Divisors: 1 11 19 209 1181 12991 22439 56249 246829 618739 1068731 11756041 66430069 730730759 1262171311 13883884421