Base | Representation |
---|---|
bin | 1011110000111000011… |
… | …1100000010010111110 |
3 | 201022122201101112212020 |
4 | 2330032013200102332 |
5 | 11302400134424410 |
6 | 232502115021010 |
7 | 20413143205236 |
oct | 2741607402276 |
9 | 638581345766 |
10 | 202100311230 |
11 | 7878a3a2104 |
12 | 33202b9a766 |
13 | 1609a4b889c |
14 | 9ad300ccc6 |
15 | 53cca4da70 |
hex | 2f0e1e04be |
202100311230 has 64 divisors (see below), whose sum is σ = 490113711360. Its totient is φ = 53332598016.
The previous prime is 202100311213. The next prime is 202100311241. The reversal of 202100311230 is 32113001202.
202100311230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2021003112302 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1050681 + ... + 1228059.
It is an arithmetic number, because the mean of its divisors is an integer number (7658026740).
Almost surely, 2202100311230 is an apocalyptic number.
202100311230 is an abundant number, since it is smaller than the sum of its proper divisors (288013400130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202100311230 is a wasteful number, since it uses less digits than its factorization.
202100311230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177785.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 202100311230 its reverse (32113001202), we get a palindrome (234213312432).
The spelling of 202100311230 in words is "two hundred two billion, one hundred million, three hundred eleven thousand, two hundred thirty".
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