Base | Representation |
---|---|
bin | 1100000011100… |
… | …10000110101001 |
3 | 21001021222012012 |
4 | 12001302012221 |
5 | 201342140130 |
6 | 14011325305 |
7 | 2335411406 |
oct | 601620651 |
9 | 231258165 |
10 | 101130665 |
11 | 520a3a69 |
12 | 29a50835 |
13 | 17c4b33c |
14 | d6072ad |
15 | 8d29995 |
hex | 60721a9 |
101130665 has 16 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 79564992.
The previous prime is 101130643. The next prime is 101130683. The reversal of 101130665 is 566031101.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 101130665 - 28 = 101130409 is a prime.
It is a super-2 number, since 2×1011306652 = 20454822806684450, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 101130665.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198431 + ... + 198939.
It is an arithmetic number, because the mean of its divisors is an integer number (7711200).
Almost surely, 2101130665 is an apocalyptic number.
It is an amenable number.
101130665 is a deficient number, since it is larger than the sum of its proper divisors (22248535).
101130665 is an equidigital number, since it uses as much as digits as its factorization.
101130665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1096.
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 101130665 is about 10056.3743466520. The cubic root of 101130665 is about 465.9016920095.
Adding to 101130665 its reverse (566031101), we get a palindrome (667161766).
The spelling of 101130665 in words is "one hundred one million, one hundred thirty thousand, six hundred sixty-five".
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