Base | Representation |
---|---|
bin | 1100110101110… |
… | …01000010010101 |
3 | 21111200100222211 |
4 | 12122321002111 |
5 | 210033301121 |
6 | 14404353421 |
7 | 2445354040 |
oct | 632710225 |
9 | 244610884 |
10 | 107712661 |
11 | 5588a131 |
12 | 300a5871 |
13 | 19414204 |
14 | 1043bc57 |
15 | 96c9ce1 |
hex | 66b9095 |
107712661 has 8 divisors (see below), whose sum is σ = 126427520. Its totient is φ = 89829648.
The previous prime is 107712659. The next prime is 107712719. The reversal of 107712661 is 166217701.
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 107712661 - 21 = 107712659 is a prime.
It is a super-4 number, since 4×1077126614 (a number of 33 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107712361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207681 + ... + 208198.
It is an arithmetic number, because the mean of its divisors is an integer number (15803440).
Almost surely, 2107712661 is an apocalyptic number.
It is an amenable number.
107712661 is a deficient number, since it is larger than the sum of its proper divisors (18714859).
107712661 is an equidigital number, since it uses as much as digits as its factorization.
107712661 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 415923.
The product of its (nonzero) digits is 3528, while the sum is 31.
The square root of 107712661 is about 10378.4710338277. The cubic root of 107712661 is about 475.7976050893.
The spelling of 107712661 in words is "one hundred seven million, seven hundred twelve thousand, six hundred sixty-one".
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