Base | Representation |
---|---|
bin | 10011001101111… |
… | …10011010011110 |
3 | 102020100102101010 |
4 | 21212332122132 |
5 | 312232241222 |
6 | 23555200050 |
7 | 3665165004 |
oct | 1146763236 |
9 | 366312333 |
10 | 161212062 |
11 | 83000010 |
12 | 45ba6026 |
13 | 2752636b |
14 | 175a6a74 |
15 | e24680c |
hex | 99be69e |
161212062 has 32 divisors (see below), whose sum is σ = 355985280. Its totient is φ = 48261920.
The previous prime is 161212043. The next prime is 161212063. The reversal of 161212062 is 260212161.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161212063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9237 + ... + 20192.
It is an arithmetic number, because the mean of its divisors is an integer number (11124540).
Almost surely, 2161212062 is an apocalyptic number.
161212062 is an abundant number, since it is smaller than the sum of its proper divisors (194773218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161212062 is a wasteful number, since it uses less digits than its factorization.
161212062 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29528.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 161212062 is about 12696.9312040351. The cubic root of 161212062 is about 544.2509272570.
Subtracting 161212062 from its reverse (260212161), we obtain a palindrome (99000099).
The spelling of 161212062 in words is "one hundred sixty-one million, two hundred twelve thousand, sixty-two".
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