Base | Representation |
---|---|
bin | 111101000001000110… |
… | …0100010000010111110 |
3 | 110112012221100110120000 |
4 | 1322002030202002332 |
5 | 4121324013422032 |
6 | 140110151135130 |
7 | 12316062013443 |
oct | 1720214420276 |
9 | 415187313500 |
10 | 131033342142 |
11 | 506309a63aa |
12 | 2148a9744a6 |
13 | c482cb6ca1 |
14 | 64b08159ca |
15 | 361d92de7c |
hex | 1e823220be |
131033342142 has 40 divisors (see below), whose sum is σ = 293637881592. Its totient is φ = 43673893200.
The previous prime is 131033342131. The next prime is 131033342189. The reversal of 131033342142 is 241243330131.
It is a happy number.
131033342142 is a `hidden beast` number, since 1 + 310 + 3 + 3 + 342 + 1 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2227792 + ... + 2285852.
Almost surely, 2131033342142 is an apocalyptic number.
131033342142 is an abundant number, since it is smaller than the sum of its proper divisors (162604539450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131033342142 is a wasteful number, since it uses less digits than its factorization.
131033342142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72006 (or 71997 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 131033342142 its reverse (241243330131), we get a palindrome (372276672273).
The spelling of 131033342142 in words is "one hundred thirty-one billion, thirty-three million, three hundred forty-two thousand, one hundred forty-two".
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