Base | Representation |
---|---|
bin | 1110010001010001000… |
… | …0100010110101010011 |
3 | 212102210010122121122201 |
4 | 3210110100202311103 |
5 | 13004033133022141 |
6 | 304342143544031 |
7 | 23466056156326 |
oct | 3442420426523 |
9 | 772703577581 |
10 | 245153017171 |
11 | 94a7253a317 |
12 | 3b6192bb017 |
13 | 1a16bb4760a |
14 | bc18bc27bd |
15 | 659c53b031 |
hex | 3914422d53 |
245153017171 has 8 divisors (see below), whose sum is σ = 248270405120. Its totient is φ = 242035984008.
The previous prime is 245153017129. The next prime is 245153017199. The reversal of 245153017171 is 171710351542.
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 245153017171 - 211 = 245153015123 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 245153017171.
It is not an unprimeable number, because it can be changed into a prime (245153017111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476460 + ... + 1634086.
It is an arithmetic number, because the mean of its divisors is an integer number (31033800640).
Almost surely, 2245153017171 is an apocalyptic number.
245153017171 is a deficient number, since it is larger than the sum of its proper divisors (3117387949).
245153017171 is a wasteful number, since it uses less digits than its factorization.
245153017171 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177393.
The product of its (nonzero) digits is 29400, while the sum is 37.
The spelling of 245153017171 in words is "two hundred forty-five billion, one hundred fifty-three million, seventeen thousand, one hundred seventy-one".
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