Base | Representation |
---|---|
bin | 1011111111111… |
… | …11110110000101 |
3 | 21000102012012201 |
4 | 11333333312011 |
5 | 201232201121 |
6 | 13553314501 |
7 | 2331422101 |
oct | 577776605 |
9 | 230365181 |
10 | 100662661 |
11 | 51904390 |
12 | 29865a31 |
13 | 17b16308 |
14 | d524901 |
15 | 8c85e91 |
hex | 5fffd85 |
100662661 has 8 divisors (see below), whose sum is σ = 116273664. Its totient is φ = 86128320.
The previous prime is 100662659. The next prime is 100662677. The reversal of 100662661 is 166266001.
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 100662661 - 21 = 100662659 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100662641) 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, 268965 + ... + 269338.
It is an arithmetic number, because the mean of its divisors is an integer number (14534208).
Almost surely, 2100662661 is an apocalyptic number.
100662661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
100662661 is a deficient number, since it is larger than the sum of its proper divisors (15611003).
100662661 is a wasteful number, since it uses less digits than its factorization.
100662661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538331.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 100662661 is about 10033.0783411673. The cubic root of 100662661 is about 465.1818936139.
The spelling of 100662661 in words is "one hundred million, six hundred sixty-two thousand, six hundred sixty-one".
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