Base | Representation |
---|---|
bin | 111100101000101000… |
… | …1010110010000101001 |
3 | 110110002201211102122000 |
4 | 1321101101112100221 |
5 | 4113133401133001 |
6 | 135452510121213 |
7 | 12256534111053 |
oct | 1712121262051 |
9 | 413081742560 |
10 | 130212521001 |
11 | 5024a634322 |
12 | 2129bab0209 |
13 | c381c23cc4 |
14 | 64337ca8d3 |
15 | 35c1842a86 |
hex | 1e51456429 |
130212521001 has 32 divisors (see below), whose sum is σ = 203269084800. Its totient is φ = 82154995200.
The previous prime is 130212520987. The next prime is 130212521017. The reversal of 130212521001 is 100125212031.
130212521001 is a `hidden beast` number, since 130 + 2 + 12 + 521 + 0 + 0 + 1 = 666.
It is not a de Polignac number, because 130212521001 - 225 = 130178966569 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130212521051) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371301 + ... + 631101.
It is an arithmetic number, because the mean of its divisors is an integer number (6352158900).
Almost surely, 2130212521001 is an apocalyptic number.
It is an amenable number.
130212521001 is a deficient number, since it is larger than the sum of its proper divisors (73056563799).
130212521001 is a wasteful number, since it uses less digits than its factorization.
130212521001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260806 (or 260800 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
Adding to 130212521001 its reverse (100125212031), we get a palindrome (230337733032).
The spelling of 130212521001 in words is "one hundred thirty billion, two hundred twelve million, five hundred twenty-one thousand, one".
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