Base | Representation |
---|---|
bin | 1000110110110001100… |
… | …0100000111110101001 |
3 | 112112201001102121221102 |
4 | 2031230120200332221 |
5 | 4443041402034400 |
6 | 153520531451145 |
7 | 13664140354121 |
oct | 2155430407651 |
9 | 475631377842 |
10 | 152142221225 |
11 | 59583354715 |
12 | 255a0156ab5 |
13 | 11468330b97 |
14 | 75140abc81 |
15 | 3e56bd69d5 |
hex | 236c620fa9 |
152142221225 has 48 divisors (see below), whose sum is σ = 206187696000. Its totient is φ = 110895713280.
The previous prime is 152142221221. The next prime is 152142221267. The reversal of 152142221225 is 522122241251.
It is not a de Polignac number, because 152142221225 - 22 = 152142221221 is a prime.
It is not an unprimeable number, because it can be changed into a prime (152142221221) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3104966 + ... + 3153584.
It is an arithmetic number, because the mean of its divisors is an integer number (4295577000).
Almost surely, 2152142221225 is an apocalyptic number.
It is an amenable number.
152142221225 is a deficient number, since it is larger than the sum of its proper divisors (54045474775).
152142221225 is a wasteful number, since it uses less digits than its factorization.
152142221225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48882 (or 48877 counting only the distinct ones).
The product of its digits is 6400, while the sum is 29.
Adding to 152142221225 its reverse (522122241251), we get a palindrome (674264462476).
The spelling of 152142221225 in words is "one hundred fifty-two billion, one hundred forty-two million, two hundred twenty-one thousand, two hundred twenty-five".
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