Base | Representation |
---|---|
bin | 1011110110000011010010… |
… | …0101101000100100101100 |
3 | 1201010000012210220101000021 |
4 | 2331200310211220210230 |
5 | 3201333030104402340 |
6 | 43410441444411524 |
7 | 2512616416030153 |
oct | 275406445504454 |
9 | 51100183811007 |
10 | 13023223122220 |
11 | 4171132a35193 |
12 | 1563ba30a6ba4 |
13 | 73611403915c |
14 | 3304823d459a |
15 | 178b6d36be4a |
hex | bd83496892c |
13023223122220 has 48 divisors (see below), whose sum is σ = 27799942314816. Its totient is φ = 5123368800000.
The previous prime is 13023223122083. The next prime is 13023223122337. The reversal of 13023223122220 is 2222132232031.
It is a super-2 number, since 2×130232231222202 (a number of 27 digits) contains 22 as substring.
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, 11540145 + ... + 12618295.
It is an arithmetic number, because the mean of its divisors is an integer number (579165464892).
Almost surely, 213023223122220 is an apocalyptic number.
13023223122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13023223122220 is an abundant number, since it is smaller than the sum of its proper divisors (14776719192596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13023223122220 is a wasteful number, since it uses less digits than its factorization.
13023223122220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1088122 (or 1088120 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 13023223122220 its reverse (2222132232031), we get a palindrome (15245355354251).
The spelling of 13023223122220 in words is "thirteen trillion, twenty-three billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty".
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