Base | Representation |
---|---|
bin | 11111000000111100000… |
… | …110001011000111111010 |
3 | 21112202021210121010200002 |
4 | 133000330012023013322 |
5 | 234404411334431302 |
6 | 4311040005313002 |
7 | 306660620226245 |
oct | 37007406130772 |
9 | 7482253533602 |
10 | 2131312030202 |
11 | 7519800946a3 |
12 | 2a5090105762 |
13 | 125c9c1c6824 |
14 | 752282cc25c |
15 | 3a69110ac02 |
hex | 1f03c18b1fa |
2131312030202 has 16 divisors (see below), whose sum is σ = 3243014661480. Its totient is φ = 1050408456192.
The previous prime is 2131312030171. The next prime is 2131312030213. The reversal of 2131312030202 is 2020302131312.
It can be written as a sum of positive squares in 4 ways, for example, as 2121185432041 + 10126598161 = 1456429^2 + 100631^2 .
It is a super-3 number, since 3×21313120302023 (a number of 38 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25286063 + ... + 25370210.
Almost surely, 22131312030202 is an apocalyptic number.
2131312030202 is a deficient number, since it is larger than the sum of its proper divisors (1111702631278).
2131312030202 is a wasteful number, since it uses less digits than its factorization.
2131312030202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50656577.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 2131312030202 its reverse (2020302131312), we get a palindrome (4151614161514).
The spelling of 2131312030202 in words is "two trillion, one hundred thirty-one billion, three hundred twelve million, thirty thousand, two hundred two".
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