Base | Representation |
---|---|
bin | 1011110000111111110… |
… | …0100111001011001101 |
3 | 201022201212011020000002 |
4 | 2330033330213023031 |
5 | 11302431014312003 |
6 | 232505133014045 |
7 | 20413665144614 |
oct | 2741774471315 |
9 | 638655136002 |
10 | 202131010253 |
11 | 787a575a7a7 |
12 | 33211324325 |
13 | 160a3976aa3 |
14 | 9ad712087b |
15 | 53d05b4a88 |
hex | 2f0ff272cd |
202131010253 has 8 divisors (see below), whose sum is σ = 203259952896. Its totient is φ = 201002202000.
The previous prime is 202131010223. The next prime is 202131010303. The reversal of 202131010253 is 352010131202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 202131010253 - 224 = 202114233037 is a prime.
It is a super-2 number, since 2×2021310102532 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202131010223) by changing a digit.
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, 5604428 + ... + 5640378.
It is an arithmetic number, because the mean of its divisors is an integer number (25407494112).
Almost surely, 2202131010253 is an apocalyptic number.
It is an amenable number.
202131010253 is a deficient number, since it is larger than the sum of its proper divisors (1128942643).
202131010253 is a wasteful number, since it uses less digits than its factorization.
202131010253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67195.
The product of its (nonzero) digits is 360, while the sum is 20.
Adding to 202131010253 its reverse (352010131202), we get a palindrome (554141141455).
The spelling of 202131010253 in words is "two hundred two billion, one hundred thirty-one million, ten thousand, two hundred fifty-three".
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