Base | Representation |
---|---|
bin | 1011110000111111110… |
… | …0100111001011001110 |
3 | 201022201212011020000010 |
4 | 2330033330213023032 |
5 | 11302431014312004 |
6 | 232505133014050 |
7 | 20413665144615 |
oct | 2741774471316 |
9 | 638655136003 |
10 | 202131010254 |
11 | 787a575a7a8 |
12 | 33211324326 |
13 | 160a3976aa4 |
14 | 9ad712087c |
15 | 53d05b4a89 |
hex | 2f0ff272ce |
202131010254 has 16 divisors (see below), whose sum is σ = 404818098048. Its totient is φ = 67284323832.
The previous prime is 202131010223. The next prime is 202131010303. The reversal of 202131010254 is 452010131202.
It is a self number, because there is not a number n which added to its sum of digits gives 202131010254.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23165172 + ... + 23173895.
It is an arithmetic number, because the mean of its divisors is an integer number (25301131128).
Almost surely, 2202131010254 is an apocalyptic number.
202131010254 is an abundant number, since it is smaller than the sum of its proper divisors (202687087794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202131010254 is a wasteful number, since it uses less digits than its factorization.
202131010254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46339799.
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 202131010254 its reverse (452010131202), we get a palindrome (654141141456).
The spelling of 202131010254 in words is "two hundred two billion, one hundred thirty-one million, ten thousand, two hundred fifty-four".
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