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13331113620 = 22351120198657
BaseRepresentation
bin11000110101001100…
…01010011010010100
31021102001211201221220
430122212022122110
5204300231113440
610042500010340
7651233411316
oct143246123224
937361751856
1013331113620
11572107aa80
1227006909b0
131345b74616
1490671b7b6
155305598d0
hex31a98a694

13331113620 has 48 divisors (see below), whose sum is σ = 40720494528. Its totient is φ = 3231784960.

The previous prime is 13331113619. The next prime is 13331113643. The reversal of 13331113620 is 2631113331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10098669 + ... + 10099988.

It is an arithmetic number, because the mean of its divisors is an integer number (848343636).

Almost surely, 213331113620 is an apocalyptic number.

13331113620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13331113620 is an abundant number, since it is smaller than the sum of its proper divisors (27389380908).

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

13331113620 is a wasteful number, since it uses less digits than its factorization.

13331113620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20198680 (or 20198678 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13331113620 its reverse (2631113331), we get a palindrome (15962226951).

The spelling of 13331113620 in words is "thirteen billion, three hundred thirty-one million, one hundred thirteen thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 20198657 40397314 60595971 80794628 100993285 121191942 201986570 222185227 242383884 302979855 403973140 444370454 605959710 666555681 888740908 1110926135 1211919420 1333111362 2221852270 2666222724 3332778405 4443704540 6665556810 13331113620