Base | Representation |
---|---|
bin | 10010000111110… |
… | …10110001101001 |
3 | 101121001112010221 |
4 | 21003322301221 |
5 | 302404201441 |
6 | 23030210041 |
7 | 3524111116 |
oct | 1103726151 |
9 | 347045127 |
10 | 152022121 |
11 | 788a3519 |
12 | 42ab3921 |
13 | 25659424 |
14 | 1629390d |
15 | d52d8d1 |
hex | 90fac69 |
152022121 has 2 divisors, whose sum is σ = 152022122. Its totient is φ = 152022120.
The previous prime is 152022103. The next prime is 152022131. The reversal of 152022121 is 121220251.
It is a happy number.
152022121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 150332121 + 1690000 = 12261^2 + 1300^2 .
It is a cyclic number.
It is not a de Polignac number, because 152022121 - 27 = 152021993 is a prime.
It is a super-2 number, since 2×1520221212 = 46221450546677282, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 152022095 and 152022104.
It is not a weakly prime, because it can be changed into another prime (152022131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76011060 + 76011061.
It is an arithmetic number, because the mean of its divisors is an integer number (76011061).
Almost surely, 2152022121 is an apocalyptic number.
It is an amenable number.
152022121 is a deficient number, since it is larger than the sum of its proper divisors (1).
152022121 is an equidigital number, since it uses as much as digits as its factorization.
152022121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 152022121 is about 12329.7250983142. The cubic root of 152022121 is about 533.7062178363.
Adding to 152022121 its reverse (121220251), we get a palindrome (273242372).
The spelling of 152022121 in words is "one hundred fifty-two million, twenty-two thousand, one hundred twenty-one".
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