Base | Representation |
---|---|
bin | 11101110101100000010111… |
… | …011000000001110000010010 |
3 | 122012121112100122200101122210 |
4 | 131311200113120001300102 |
5 | 114144403014122031002 |
6 | 1143025424242012550 |
7 | 36432230462116524 |
oct | 3565402730016022 |
9 | 565545318611583 |
10 | 131220233002002 |
11 | 388a1208697181 |
12 | 1287343a647156 |
13 | 582b0268b8311 |
14 | 2459143901a14 |
15 | 10285156c796c |
hex | 775817601c12 |
131220233002002 has 8 divisors (see below), whose sum is σ = 262440466004016. Its totient is φ = 43740077667332.
The previous prime is 131220233001941. The next prime is 131220233002039. The reversal of 131220233002002 is 200200332022131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
131220233002002 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 131220233002002.
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, 10935019416828 + ... + 10935019416839.
It is an arithmetic number, because the mean of its divisors is an integer number (32805058250502).
Almost surely, 2131220233002002 is an apocalyptic number.
131220233002002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131220233002002 is a wasteful number, since it uses less digits than its factorization.
131220233002002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21870038833672.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 131220233002002 its reverse (200200332022131), we get a palindrome (331420565024133).
The spelling of 131220233002002 in words is "one hundred thirty-one trillion, two hundred twenty billion, two hundred thirty-three million, two thousand, two".
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