Base | Representation |
---|---|
bin | 110111111100001010… |
… | …0011000100101010011 |
3 | 102111002002011222012220 |
4 | 1233320110120211103 |
5 | 3432011313211011 |
6 | 131104223152123 |
7 | 11451636636531 |
oct | 1577024304523 |
9 | 374062158186 |
10 | 120130210131 |
11 | 46a4640a9a8 |
12 | 1b347445643 |
13 | b436177699 |
14 | 5b5875d151 |
15 | 31d1626506 |
hex | 1bf8518953 |
120130210131 has 32 divisors (see below), whose sum is σ = 169836480000. Its totient is φ = 75399437568.
The previous prime is 120130210091. The next prime is 120130210159. The reversal of 120130210131 is 131012031021.
It is a happy number.
It is not a de Polignac number, because 120130210131 - 219 = 120129685843 is a prime.
It is a super-2 number, since 2×1201302101312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120130210131.
It is not an unprimeable number, because it can be changed into a prime (120130210171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214055 + ... + 2267663.
It is an arithmetic number, because the mean of its divisors is an integer number (5307390000).
Almost surely, 2120130210131 is an apocalyptic number.
120130210131 is a deficient number, since it is larger than the sum of its proper divisors (49706269869).
120130210131 is a wasteful number, since it uses less digits than its factorization.
120130210131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54283.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 120130210131 its reverse (131012031021), we get a palindrome (251142241152).
The spelling of 120130210131 in words is "one hundred twenty billion, one hundred thirty million, two hundred ten thousand, one hundred thirty-one".
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