Base | Representation |
---|---|
bin | 11011001001101000… |
… | …001110111100100000 |
3 | 2210020200201001120002 |
4 | 123021220032330200 |
5 | 434201024234133 |
6 | 21220440435132 |
7 | 2051266523600 |
oct | 331150167440 |
9 | 83220631502 |
10 | 29152571168 |
11 | 113aa959226 |
12 | 5797178aa8 |
13 | 2997947216 |
14 | 15a7a94c00 |
15 | b59533ce8 |
hex | 6c9a0ef20 |
29152571168 has 36 divisors (see below), whose sum is σ = 66764597382. Its totient is φ = 12493958400.
The previous prime is 29152571167. The next prime is 29152571171. The reversal of 29152571168 is 86117525192.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 18297431824 + 10855139344 = 135268^2 + 104188^2 .
It is not an unprimeable number, because it can be changed into a prime (29152571167) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9294533 + ... + 9297668.
Almost surely, 229152571168 is an apocalyptic number.
29152571168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
29152571168 is an abundant number, since it is smaller than the sum of its proper divisors (37612026214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29152571168 is a wasteful number, since it uses less digits than its factorization.
29152571168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18592225 (or 18592210 counting only the distinct ones).
The product of its digits is 302400, while the sum is 47.
The spelling of 29152571168 in words is "twenty-nine billion, one hundred fifty-two million, five hundred seventy-one thousand, one hundred sixty-eight".
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