Base | Representation |
---|---|
bin | 1011110000100111111… |
… | …1011111110101001111 |
3 | 201022110220011102102222 |
4 | 2330021333133311033 |
5 | 11302224430301221 |
6 | 232451203405555 |
7 | 20411343021002 |
oct | 2741177376517 |
9 | 638426142388 |
10 | 202031103311 |
11 | 78754322184 |
12 | 331a39838bb |
13 | 1608906675b |
14 | 9ac7b55539 |
15 | 53c692c9ab |
hex | 2f09fdfd4f |
202031103311 has 8 divisors (see below), whose sum is σ = 206348878080. Its totient is φ = 197714130328.
The previous prime is 202031103289. The next prime is 202031103319. The reversal of 202031103311 is 113301130202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 202031103311 - 230 = 200957361487 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 202031103311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202031103319) 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, 323360 + ... + 713178.
It is an arithmetic number, because the mean of its divisors is an integer number (25793609760).
Almost surely, 2202031103311 is an apocalyptic number.
202031103311 is a deficient number, since it is larger than the sum of its proper divisors (4317774769).
202031103311 is a wasteful number, since it uses less digits than its factorization.
202031103311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400893.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 202031103311 its reverse (113301130202), we get a palindrome (315332233513).
The spelling of 202031103311 in words is "two hundred two billion, thirty-one million, one hundred three thousand, three hundred eleven".
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