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13110022231220 = 225655501111561
BaseRepresentation
bin1011111011000110101000…
…1101111101010010110100
31201102022020222201222011002
42332301222031331102310
53204243311142344340
643514354442502432
72522111400213035
oct276615215752264
951368228658132
1013110022231220
1141a4a24854512
121578987b04a18
1374136796a195
14334758154a8c
1517b04d6c1715
hexbec6a37d4b4

13110022231220 has 12 divisors (see below), whose sum is σ = 27531046685604. Its totient is φ = 5244008892480.

The previous prime is 13110022231183. The next prime is 13110022231303. The reversal of 13110022231220 is 2213222001131.

It can be written as a sum of positive squares in 2 ways, for example, as 9731579724304 + 3378442506916 = 3119548^2 + 1838054^2 .

It is a super-3 number, since 3×131100222312203 (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 655501111561 = 13110022231220 / (1 + 3 + 1 + 1 + 0 + 0 + 2 + 2 + 2 + 3 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13110022231192 and 13110022231201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327750555761 + ... + 327750555800.

It is an arithmetic number, because the mean of its divisors is an integer number (2294253890467).

Almost surely, 213110022231220 is an apocalyptic number.

13110022231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13110022231220 is an abundant number, since it is smaller than the sum of its proper divisors (14421024454384).

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

13110022231220 is a wasteful number, since it uses less digits than its factorization.

13110022231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655501111570 (or 655501111568 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13110022231220 its reverse (2213222001131), we get a palindrome (15323244232351).

The spelling of 13110022231220 in words is "thirteen trillion, one hundred ten billion, twenty-two million, two hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 655501111561 1311002223122 2622004446244 3277505557805 6555011115610 13110022231220