Base | Representation |
---|---|
bin | 11101111000101111000110… |
… | …011011110010110011001100 |
3 | 122020101202022211211122111122 |
4 | 131320233012123302303030 |
5 | 114212022123103143340 |
6 | 1143315415202540112 |
7 | 36454246402605665 |
oct | 3570570633626314 |
9 | 566352284748448 |
10 | 131442213334220 |
11 | 38977369810298 |
12 | 128aa46b367638 |
13 | 5845c41961319 |
14 | 2465ba0cc436c |
15 | 102e1a8692db5 |
hex | 778bc66f2ccc |
131442213334220 has 12 divisors (see below), whose sum is σ = 276028648001904. Its totient is φ = 52576885333680.
The previous prime is 131442213334213. The next prime is 131442213334273. The reversal of 131442213334220 is 22433312244131.
It is a happy 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, 3286055333336 + ... + 3286055333375.
It is an arithmetic number, because the mean of its divisors is an integer number (23002387333492).
Almost surely, 2131442213334220 is an apocalyptic number.
131442213334220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131442213334220 is an abundant number, since it is smaller than the sum of its proper divisors (144586434667684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131442213334220 is a wasteful number, since it uses less digits than its factorization.
131442213334220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6572110666720 (or 6572110666718 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 35.
Adding to 131442213334220 its reverse (22433312244131), we get a palindrome (153875525578351).
The spelling of 131442213334220 in words is "one hundred thirty-one trillion, four hundred forty-two billion, two hundred thirteen million, three hundred thirty-four thousand, two hundred twenty".
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