Base | Representation |
---|---|
bin | 110111111100001011… |
… | …1111001110001100001 |
3 | 102111002010220211111012 |
4 | 1233320113321301201 |
5 | 3432012032220023 |
6 | 131104255030305 |
7 | 11451650530640 |
oct | 1577027716141 |
9 | 374063824435 |
10 | 120131132513 |
11 | 46a4698a9a7 |
12 | 1b34780b395 |
13 | b43640b482 |
14 | 5b5891d357 |
15 | 31d1759978 |
hex | 1bf85f9c61 |
120131132513 has 32 divisors (see below), whose sum is σ = 143646720000. Its totient is φ = 98296623360.
The previous prime is 120131132507. The next prime is 120131132549. The reversal of 120131132513 is 315231131021.
It is a cyclic number.
It is not a de Polignac number, because 120131132513 - 26 = 120131132449 is a prime.
It is not an unprimeable number, because it can be changed into a prime (120131132573) 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, 23980553 + ... + 23985561.
It is an arithmetic number, because the mean of its divisors is an integer number (4488960000).
Almost surely, 2120131132513 is an apocalyptic number.
It is an amenable number.
120131132513 is a deficient number, since it is larger than the sum of its proper divisors (23515587487).
120131132513 is a wasteful number, since it uses less digits than its factorization.
120131132513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6525.
The product of its (nonzero) digits is 540, while the sum is 23.
Adding to 120131132513 its reverse (315231131021), we get a palindrome (435362263534).
The spelling of 120131132513 in words is "one hundred twenty billion, one hundred thirty-one million, one hundred thirty-two thousand, five hundred thirteen".
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