Base | Representation |
---|---|
bin | 10001011111100100100… |
… | …110111111001010011101 |
3 | 11020220220121010102100022 |
4 | 101133210212333022131 |
5 | 124143431103113041 |
6 | 2320130153441525 |
7 | 152564635314440 |
oct | 21374446771235 |
9 | 4226817112308 |
10 | 1202131301021 |
11 | 4239038640a2 |
12 | 174b934102a5 |
13 | 8948c014a81 |
14 | 4227d601657 |
15 | 2140bd8724b |
hex | 117e49bf29d |
1202131301021 has 8 divisors (see below), whose sum is σ = 1373888478144. Its totient is φ = 1030380157440.
The previous prime is 1202131301017. The next prime is 1202131301047. The reversal of 1202131301021 is 1201031312021.
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 1202131301021 - 22 = 1202131301017 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202131301011) 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, 1073060 + ... + 1885661.
It is an arithmetic number, because the mean of its divisors is an integer number (171736059768).
Almost surely, 21202131301021 is an apocalyptic number.
It is an amenable number.
1202131301021 is a deficient number, since it is larger than the sum of its proper divisors (171757177123).
1202131301021 is an equidigital number, since it uses as much as digits as its factorization.
1202131301021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3016771.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1202131301021 its reverse (1201031312021), we get a palindrome (2403162613042).
The spelling of 1202131301021 in words is "one trillion, two hundred two billion, one hundred thirty-one million, three hundred one thousand, twenty-one".
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