Base | Representation |
---|---|
bin | 1001011011100111000… |
… | …1010111101110101001 |
3 | 120111020012000002220020 |
4 | 2112321301113232221 |
5 | 10123314303022121 |
6 | 202234044151053 |
7 | 14464160446212 |
oct | 2267161275651 |
9 | 514205002806 |
10 | 162030517161 |
11 | 62798003817 |
12 | 2749b838489 |
13 | 12382b3a476 |
14 | 7bb1474409 |
15 | 4334d7c1c6 |
hex | 25b9c57ba9 |
162030517161 has 4 divisors (see below), whose sum is σ = 216040689552. Its totient is φ = 108020344772.
The previous prime is 162030517141. The next prime is 162030517163. The reversal of 162030517161 is 161715030261.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 162030517161 - 26 = 162030517097 is a prime.
It is a super-2 number, since 2×1620305171612 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (162030517163) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27005086191 + ... + 27005086196.
It is an arithmetic number, because the mean of its divisors is an integer number (54010172388).
Almost surely, 2162030517161 is an apocalyptic number.
It is an amenable number.
162030517161 is a deficient number, since it is larger than the sum of its proper divisors (54010172391).
162030517161 is an equidigital number, since it uses as much as digits as its factorization.
162030517161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54010172390.
The product of its (nonzero) digits is 7560, while the sum is 33.
The spelling of 162030517161 in words is "one hundred sixty-two billion, thirty million, five hundred seventeen thousand, one hundred sixty-one".
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