Base | Representation |
---|---|
bin | 111101001001101100… |
… | …1110000010010010011 |
3 | 110112222001112212111222 |
4 | 1322103121300102103 |
5 | 4122421414133021 |
6 | 140154542355255 |
7 | 12326165522006 |
oct | 1722331602223 |
9 | 415861485458 |
10 | 131322021011 |
11 | 50769948085 |
12 | 2154b58bb2b |
13 | c4caa4ca9c |
14 | 64dacbd53d |
15 | 3638e536ab |
hex | 1e93670493 |
131322021011 has 8 divisors (see below), whose sum is σ = 131661852864. Its totient is φ = 130982322240.
The previous prime is 131322020989. The next prime is 131322021031. The reversal of 131322021011 is 110120223131.
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 131322021011 - 210 = 131322019987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131322021031) 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, 2122070 + ... + 2183076.
It is an arithmetic number, because the mean of its divisors is an integer number (16457731608).
Almost surely, 2131322021011 is an apocalyptic number.
131322021011 is a deficient number, since it is larger than the sum of its proper divisors (339831853).
131322021011 is an equidigital number, since it uses as much as digits as its factorization.
131322021011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66541.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 131322021011 its reverse (110120223131), we get a palindrome (241442244142).
The spelling of 131322021011 in words is "one hundred thirty-one billion, three hundred twenty-two million, twenty-one thousand, eleven".
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