Base | Representation |
---|---|
bin | 10001011111011110000… |
… | …011000001110001001101 |
3 | 11020220121220222021112000 |
4 | 101133132003001301031 |
5 | 124143214412224323 |
6 | 2320111222102513 |
7 | 152562130500054 |
oct | 21373603016115 |
9 | 4226556867460 |
10 | 1202021211213 |
11 | 423857700a89 |
12 | 174b6257aa39 |
13 | 8947227a884 |
14 | 4226cb4539b |
15 | 2140238ce43 |
hex | 117de0c1c4d |
1202021211213 has 32 divisors (see below), whose sum is σ = 1786087342080. Its totient is φ = 798958125360.
The previous prime is 1202021211179. The next prime is 1202021211229. The reversal of 1202021211213 is 3121121202021.
It is not a de Polignac number, because 1202021211213 - 225 = 1201987656781 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202021211253) 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, 17922420 + ... + 17989362.
It is an arithmetic number, because the mean of its divisors is an integer number (55815229440).
Almost surely, 21202021211213 is an apocalyptic number.
It is an amenable number.
1202021211213 is a deficient number, since it is larger than the sum of its proper divisors (584066130867).
1202021211213 is a wasteful number, since it uses less digits than its factorization.
1202021211213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68926 (or 68920 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 1202021211213 its reverse (3121121202021), we get a palindrome (4323142413234).
The spelling of 1202021211213 in words is "one trillion, two hundred two billion, twenty-one million, two hundred eleven thousand, two hundred thirteen".
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