Base | Representation |
---|---|
bin | 10001011111100011111… |
… | …111101100110000010000 |
3 | 11020220212212202011202002 |
4 | 101133203333230300100 |
5 | 124143420434031000 |
6 | 2320125145013132 |
7 | 152564451631232 |
oct | 21374377546020 |
9 | 4226785664662 |
10 | 1202121002000 |
11 | 4238a8a6a306 |
12 | 174b8ba841a8 |
13 | 89489b4a089 |
14 | 4227c0c0252 |
15 | 2140b0008d5 |
hex | 117e3fecc10 |
1202121002000 has 80 divisors (see below), whose sum is σ = 2907038817072. Its totient is φ = 480797081600.
The previous prime is 1202121001993. The next prime is 1202121002111. The reversal of 1202121002000 is 2001212021.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 82486137616 + 1119634864384 = 287204^2 + 1058128^2 .
It is a tau number, because it is divible by the number of its divisors (80).
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, 22759622 + ... + 22812378.
Almost surely, 21202121002000 is an apocalyptic number.
1202121002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1202121002000 is an abundant number, since it is smaller than the sum of its proper divisors (1704917815072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202121002000 is a wasteful number, since it uses less digits than its factorization.
1202121002000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64173 (or 64157 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 1202121002000 its reverse (2001212021), we get a palindrome (1204122214021).
The spelling of 1202121002000 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two thousand".
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