Base | Representation |
---|---|
bin | 1001111011101010… |
… | …0110000000010000 |
3 | 20212210211222011000 |
4 | 2132322212000100 |
5 | 20430014111034 |
6 | 1120321022000 |
7 | 123032662434 |
oct | 23672460020 |
9 | 6783758130 |
10 | 2666160144 |
11 | 1148a8363a |
12 | 624a84900 |
13 | 336498a6b |
14 | 1b41449c4 |
15 | 1090ed599 |
hex | 9eea6010 |
2666160144 has 80 divisors (see below), whose sum is σ = 7681651200. Its totient is φ = 885377664.
The previous prime is 2666160143. The next prime is 2666160163. The reversal of 2666160144 is 4410616662.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2666160099 and 2666160108.
It is not an unprimeable number, because it can be changed into a prime (2666160143) 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 15 ways as a sum of consecutive naturals, for example, 104737 + ... + 127679.
It is an arithmetic number, because the mean of its divisors is an integer number (96020640).
Almost surely, 22666160144 is an apocalyptic number.
2666160144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2666160144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3840825600).
2666160144 is an abundant number, since it is smaller than the sum of its proper divisors (5015491056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2666160144 is a wasteful number, since it uses less digits than its factorization.
2666160144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23229 (or 23217 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 2666160144 is about 51634.8733318869. The cubic root of 2666160144 is about 1386.6347423411.
The spelling of 2666160144 in words is "two billion, six hundred sixty-six million, one hundred sixty thousand, one hundred forty-four".
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