Base | Representation |
---|---|
bin | 11101110101100010111101… |
… | …101000110000000110100000 |
3 | 122012121210120001102200211220 |
4 | 131311202331220300012200 |
5 | 114144424222213412000 |
6 | 1143031005124335040 |
7 | 36432356552465052 |
oct | 3565427550600640 |
9 | 565553501380756 |
10 | 131223022404000 |
11 | 388a240a19618a |
12 | 12873a98844480 |
13 | 582b37c774747 |
14 | 245932a1678d2 |
15 | 102862a51c1a0 |
hex | 7758bda301a0 |
131223022404000 has 192 divisors, whose sum is σ = 429909751514880. Its totient is φ = 34990923187200.
The previous prime is 131223022403953. The next prime is 131223022404007. The reversal of 131223022404000 is 404220322131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (131223022404007) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230271421 + ... + 230840579.
It is an arithmetic number, because the mean of its divisors is an integer number (2239113289140).
Almost surely, 2131223022404000 is an apocalyptic number.
131223022404000 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 131223022404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214954875757440).
131223022404000 is an abundant number, since it is smaller than the sum of its proper divisors (298686729110880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131223022404000 is a wasteful number, since it uses less digits than its factorization.
131223022404000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588400 (or 588382 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 131223022404000 its reverse (404220322131), we get a palindrome (131627242726131).
The spelling of 131223022404000 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, twenty-two million, four hundred four thousand".
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