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13724712220 = 2255931157227
BaseRepresentation
bin11001100100000111…
…00111110100011100
31022102111110121201211
430302003213310130
5211102011242340
610145520114204
7664053062152
oct146203476434
938374417654
1013724712220
11590327347a
1227b0465964
1313a95842bb
14942ad73d2
15554da65ea
hex3320e7d1c

13724712220 has 24 divisors (see below), whose sum is σ = 28870524144. Its totient is φ = 5480622336.

The previous prime is 13724712203. The next prime is 13724712229. The reversal of 13724712220 is 2221742731.

13724712220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13724712229) 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 7 ways as a sum of consecutive naturals, for example, 566754 + ... + 590473.

It is an arithmetic number, because the mean of its divisors is an integer number (1202938506).

Almost surely, 213724712220 is an apocalyptic number.

13724712220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13724712220 is an abundant number, since it is smaller than the sum of its proper divisors (15145811924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13724712220 is a wasteful number, since it uses less digits than its factorization.

13724712220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157829 (or 1157827 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 13724712220 in words is "thirteen billion, seven hundred twenty-four million, seven hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 593 1186 2372 2965 5930 11860 1157227 2314454 4628908 5786135 11572270 23144540 686235611 1372471222 2744942444 3431178055 6862356110 13724712220