Base | Representation |
---|---|
bin | 1011110110000010100010… |
… | …1011011011000101000100 |
3 | 1201002222200212221000120221 |
4 | 2331200220223123011010 |
5 | 3201332122432010340 |
6 | 43410405550034124 |
7 | 2512611441466504 |
oct | 275405053330504 |
9 | 51088625830527 |
10 | 13023023313220 |
11 | 4171040172788 |
12 | 1563b481a8944 |
13 | 7360b181aa8b |
14 | 330463a61a04 |
15 | 178b5aa4e44a |
hex | bd828adb144 |
13023023313220 has 96 divisors (see below), whose sum is σ = 28451495374848. Its totient is φ = 5002845368832.
The previous prime is 13023023313211. The next prime is 13023023313247. The reversal of 13023023313220 is 2231332032031.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68511229 + ... + 68701051.
It is an arithmetic number, because the mean of its divisors is an integer number (296369743488).
Almost surely, 213023023313220 is an apocalyptic number.
13023023313220 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 13023023313220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14225747687424).
13023023313220 is an abundant number, since it is smaller than the sum of its proper divisors (15428472061628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13023023313220 is a wasteful number, since it uses less digits than its factorization.
13023023313220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191069 (or 191067 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 13023023313220 its reverse (2231332032031), we get a palindrome (15254355345251).
The spelling of 13023023313220 in words is "thirteen trillion, twenty-three billion, twenty-three million, three hundred thirteen thousand, two hundred twenty".
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