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13113022112220 = 2235218550368537
BaseRepresentation
bin1011111011010001110100…
…0001100110000111011100
31201102121000001112201020210
42332310131001212013130
53204320432130042340
643520012244412420
72522245624611552
oct276643501460734
951377001481223
1013113022112220
1141a6224143508
1215794846a7110
1374172530c4b4
14334960729bd2
1517b176c40180
hexbed1d0661dc

13113022112220 has 24 divisors (see below), whose sum is σ = 36716461914384. Its totient is φ = 3496805896576.

The previous prime is 13113022112219. The next prime is 13113022112233. The reversal of 13113022112220 is 2221122031131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109275184209 + ... + 109275184328.

It is an arithmetic number, because the mean of its divisors is an integer number (1529852579766).

Almost surely, 213113022112220 is an apocalyptic number.

13113022112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113022112220 is an abundant number, since it is smaller than the sum of its proper divisors (23603439802164).

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

13113022112220 is a wasteful number, since it uses less digits than its factorization.

13113022112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218550368549 (or 218550368547 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13113022112220 its reverse (2221122031131), we get a palindrome (15334144143351).

The spelling of 13113022112220 in words is "thirteen trillion, one hundred thirteen billion, twenty-two million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 218550368537 437100737074 655651105611 874201474148 1092751842685 1311302211222 2185503685370 2622604422444 3278255528055 4371007370740 6556511056110 13113022112220