Base | Representation |
---|---|
bin | 11101110101010000100001… |
… | …011101000011001000010010 |
3 | 122012112220110010220012110000 |
4 | 131311100201131003020102 |
5 | 114144113144342040310 |
6 | 1143013532253550430 |
7 | 36431056104635010 |
oct | 3565204135031022 |
9 | 565486403805400 |
10 | 131203222221330 |
11 | 38894a79534956 |
12 | 128700917a5416 |
13 | 58295455bbc1c |
14 | 24583ac6178b0 |
15 | 1027d6c0c14c0 |
hex | 775421743212 |
131203222221330 has 160 divisors (see below), whose sum is σ = 408047291777664. Its totient is φ = 29627990866944.
The previous prime is 131203222221241. The next prime is 131203222221373. The reversal of 131203222221330 is 33122222302131.
131203222221330 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 322 + 2 + 2 + 2 + 1 + 330 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 131203222221294 and 131203222221303.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 138926367 + ... + 139867586.
Almost surely, 2131203222221330 is an apocalyptic number.
131203222221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131203222221330 is an abundant number, since it is smaller than the sum of its proper divisors (276844069556334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131203222221330 is a wasteful number, since it uses less digits than its factorization.
131203222221330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278794062 (or 278794053 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 131203222221330 its reverse (33122222302131), we get a palindrome (164325444523461).
The spelling of 131203222221330 in words is "one hundred thirty-one trillion, two hundred three billion, two hundred twenty-two million, two hundred twenty-one thousand, three hundred thirty".
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