Base | Representation |
---|---|
bin | 111110000010000001… |
… | …1111100111110000001 |
3 | 110201211210010102021002 |
4 | 1330010003330332001 |
5 | 4140304301144301 |
6 | 141110302141345 |
7 | 12424056301232 |
oct | 1740403747601 |
9 | 421753112232 |
10 | 133212131201 |
11 | 51549858916 |
12 | 21998581855 |
13 | c73c4ccc96 |
14 | 6639d31089 |
15 | 36e9d5b16b |
hex | 1f040fcf81 |
133212131201 has 8 divisors (see below), whose sum is σ = 134178513000. Its totient is φ = 132246714240.
The previous prime is 133212131159. The next prime is 133212131233. The reversal of 133212131201 is 102131212331.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 14256121201 + 118956010000 = 119399^2 + 344900^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 133212131201 - 226 = 133145022337 is a prime.
It is a super-2 number, since 2×1332121312012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (133212131281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37085 + ... + 517493.
It is an arithmetic number, because the mean of its divisors is an integer number (16772314125).
Almost surely, 2133212131201 is an apocalyptic number.
It is an amenable number.
133212131201 is a deficient number, since it is larger than the sum of its proper divisors (966381799).
133212131201 is a wasteful number, since it uses less digits than its factorization.
133212131201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 482419.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 133212131201 its reverse (102131212331), we get a palindrome (235343343532).
The spelling of 133212131201 in words is "one hundred thirty-three billion, two hundred twelve million, one hundred thirty-one thousand, two hundred one".
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