Base | Representation |
---|---|
bin | 1001010111110011111… |
… | …0101001001001110101 |
3 | 120101121002211020200112 |
4 | 2111330332221021311 |
5 | 10114222202224404 |
6 | 201544531352405 |
7 | 14426664254513 |
oct | 2257476511165 |
9 | 511532736615 |
10 | 161010586229 |
11 | 62314307599 |
12 | 27256152705 |
13 | 1224c74243c |
14 | 7b15c194b3 |
15 | 42c556056e |
hex | 257cfa9275 |
161010586229 has 8 divisors (see below), whose sum is σ = 164946921048. Its totient is φ = 157074691840.
The previous prime is 161010586193. The next prime is 161010586241. The reversal of 161010586229 is 922685010161.
It can be written as a sum of positive squares in 4 ways, for example, as 65203622500 + 95806963729 = 255350^2 + 309527^2 .
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 161010586229 - 212 = 161010582133 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161010556229) 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, 702359 + ... + 902955.
It is an arithmetic number, because the mean of its divisors is an integer number (20618365131).
Almost surely, 2161010586229 is an apocalyptic number.
It is an amenable number.
161010586229 is a deficient number, since it is larger than the sum of its proper divisors (3936334819).
161010586229 is a wasteful number, since it uses less digits than its factorization.
161010586229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220215.
The product of its (nonzero) digits is 51840, while the sum is 41.
The spelling of 161010586229 in words is "one hundred sixty-one billion, ten million, five hundred eighty-six thousand, two hundred twenty-nine".
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