Base | Representation |
---|---|
bin | 11110111111110101000… |
… | …111111110101010101100 |
3 | 21112122012211001211220011 |
4 | 132333311013332222230 |
5 | 234344442024234012 |
6 | 4310321512303004 |
7 | 306616251325240 |
oct | 36776507765254 |
9 | 7478184054804 |
10 | 2130121321132 |
11 | 751419a54312 |
12 | 2a49b93a1a64 |
13 | 125b3c60624c |
14 | 751540da420 |
15 | 3a6218081a7 |
hex | 1eff51feaac |
2130121321132 has 48 divisors (see below), whose sum is σ = 4472743629312. Its totient is φ = 867860231040.
The previous prime is 2130121321103. The next prime is 2130121321187. The reversal of 2130121321132 is 2311231210312.
It is a super-2 number, since 2×21301213211322 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10041169 + ... + 10251112.
It is an arithmetic number, because the mean of its divisors is an integer number (93182158944).
Almost surely, 22130121321132 is an apocalyptic number.
It is an amenable number.
2130121321132 is an abundant number, since it is smaller than the sum of its proper divisors (2342622308180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130121321132 is a wasteful number, since it uses less digits than its factorization.
2130121321132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20292478 (or 20292476 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 2130121321132 its reverse (2311231210312), we get a palindrome (4441352531444).
The spelling of 2130121321132 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred thirty-two".
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