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13223003120 = 245419394481
BaseRepresentation
bin11000101000010011…
…10000001111110000
31021010112102011020022
430110021300033300
5204040042044440
610024034503012
7645451446335
oct142411601760
937115364208
1013223003120
115676049a58
122690434a68
131329651302
148d621898c
15525d01cb5
hex3142703f0

13223003120 has 40 divisors (see below), whose sum is σ = 30816933840. Its totient is φ = 5276564480.

The previous prime is 13223003099. The next prime is 13223003149. The reversal of 13223003120 is 2130032231.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163721 + ... + 230760.

It is an arithmetic number, because the mean of its divisors is an integer number (770423346).

Almost surely, 213223003120 is an apocalyptic number.

13223003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13223003120 is an abundant number, since it is smaller than the sum of its proper divisors (17593930720).

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

13223003120 is a wasteful number, since it uses less digits than its factorization.

13223003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394913 (or 394907 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13223003120 its reverse (2130032231), we get a palindrome (15353035351).

The spelling of 13223003120 in words is "thirteen billion, two hundred twenty-three million, three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 419 838 1676 2095 3352 4190 6704 8380 16760 33520 394481 788962 1577924 1972405 3155848 3944810 6311696 7889620 15779240 31558480 165287539 330575078 661150156 826437695 1322300312 1652875390 2644600624 3305750780 6611501560 13223003120