Base | Representation |
---|---|
bin | 1011110001010000101… |
… | …1110110000010011101 |
3 | 201022220210221120110221 |
4 | 2330110023312002131 |
5 | 11303102220042112 |
6 | 232520153001341 |
7 | 20415520411033 |
oct | 2742413660235 |
9 | 638823846427 |
10 | 202202112157 |
11 | 78831903701 |
12 | 332310b3251 |
13 | 160b5610016 |
14 | 9b0274c553 |
15 | 53d695be07 |
hex | 2f142f609d |
202202112157 has 2 divisors, whose sum is σ = 202202112158. Its totient is φ = 202202112156.
The previous prime is 202202112127. The next prime is 202202112253. The reversal of 202202112157 is 751211202202.
It is a happy number.
202202112157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 133258582116 + 68943530041 = 365046^2 + 262571^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-202202112157 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (202202112127) by changing a digit.
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 as a sum of consecutive naturals, namely, 101101056078 + 101101056079.
It is an arithmetic number, because the mean of its divisors is an integer number (101101056079).
Almost surely, 2202202112157 is an apocalyptic number.
It is an amenable number.
202202112157 is a deficient number, since it is larger than the sum of its proper divisors (1).
202202112157 is an equidigital number, since it uses as much as digits as its factorization.
202202112157 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1120, while the sum is 25.
Adding to 202202112157 its reverse (751211202202), we get a palindrome (953413314359).
The spelling of 202202112157 in words is "two hundred two billion, two hundred two million, one hundred twelve thousand, one hundred fifty-seven".
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