Base | Representation |
---|---|
bin | 1000010101000111000… |
… | …0110011010000101100 |
3 | 111200101021120011112010 |
4 | 2011101300303100230 |
5 | 4321040022340030 |
6 | 145424123041220 |
7 | 13224202052241 |
oct | 2052160632054 |
9 | 450337504463 |
10 | 143105668140 |
11 | 55766467626 |
12 | 23899970210 |
13 | 10658122c56 |
14 | 6cd7c9d5c8 |
15 | 3ac86d96b0 |
hex | 2151c3342c |
143105668140 has 48 divisors (see below), whose sum is σ = 400932276192. Its totient is φ = 38138996736.
The previous prime is 143105668093. The next prime is 143105668217. The reversal of 143105668140 is 41866501341.
It is a super-2 number, since 2×1431056681402 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600919 + ... + 804558.
It is an arithmetic number, because the mean of its divisors is an integer number (8352755754).
Almost surely, 2143105668140 is an apocalyptic number.
143105668140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143105668140 is an abundant number, since it is smaller than the sum of its proper divisors (257826608052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143105668140 is a wasteful number, since it uses less digits than its factorization.
143105668140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1407186 (or 1407184 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The spelling of 143105668140 in words is "one hundred forty-three billion, one hundred five million, six hundred sixty-eight thousand, one hundred forty".
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