Base | Representation |
---|---|
bin | 1000010110010001101… |
… | …0101010011011110000 |
3 | 111201012002110101010020 |
4 | 2011210122222123300 |
5 | 4322210132210140 |
6 | 145515143003440 |
7 | 13235022154134 |
oct | 2054432523360 |
9 | 451162411106 |
10 | 143418631920 |
11 | 55907095983 |
12 | 23966739580 |
13 | 106a7c0c615 |
14 | 6d276893c4 |
15 | 3ae5e096d0 |
hex | 21646aa6f0 |
143418631920 has 80 divisors (see below), whose sum is σ = 446854747680. Its totient is φ = 38050819072.
The previous prime is 143418631907. The next prime is 143418631949. The reversal of 143418631920 is 29136814341.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469415 + ... + 1563974.
It is an arithmetic number, because the mean of its divisors is an integer number (5585684346).
Almost surely, 2143418631920 is an apocalyptic number.
143418631920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143418631920 is an abundant number, since it is smaller than the sum of its proper divisors (303436115760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143418631920 is a wasteful number, since it uses less digits than its factorization.
143418631920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3033602 (or 3033596 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 42.
The spelling of 143418631920 in words is "one hundred forty-three billion, four hundred eighteen million, six hundred thirty-one thousand, nine hundred twenty".
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