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13022222321220 = 22357731223934703
BaseRepresentation
bin1011110101111111100011…
…1011111000011001000100
31201002220122001201102010120
42331133320323320121010
53201324002403234340
643410154254021540
72512552544252040
oct275377073703104
951086561642116
1013022222321220
11417076a014622
121563963aa78b0
13735cb48ab508
143303c9519020
15178b1057d4d0
hexbd7f8ef8644

13022222321220 has 192 divisors, whose sum is σ = 42246617333760. Its totient is φ = 2935409421312.

The previous prime is 13022222321179. The next prime is 13022222321239. The reversal of 13022222321220 is 2212322222031.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 375230389 + ... + 375265091.

It is an arithmetic number, because the mean of its divisors is an integer number (220034465280).

Almost surely, 213022222321220 is an apocalyptic number.

13022222321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13022222321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21123308666880).

13022222321220 is an abundant number, since it is smaller than the sum of its proper divisors (29224395012540).

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

13022222321220 is a wasteful number, since it uses less digits than its factorization.

13022222321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47034 (or 47032 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13022222321220 its reverse (2212322222031), we get a palindrome (15234544543251).

The spelling of 13022222321220 in words is "thirteen trillion, twenty-two billion, two hundred twenty-two million, three hundred twenty-one thousand, two hundred twenty".