Base | Representation |
---|---|
bin | 100111010001001101… |
… | …100101100000000000 |
3 | 11000211112022221220010 |
4 | 213101031211200000 |
5 | 1142323131032110 |
6 | 31211543544520 |
7 | 3021611036625 |
oct | 472115454000 |
9 | 130745287803 |
10 | 42164705280 |
11 | 16977971175 |
12 | 8208a5b140 |
13 | 3c8c6a6c69 |
14 | 207dc9c34c |
15 | 116ba81020 |
hex | 9d1365800 |
42164705280 has 96 divisors (see below), whose sum is σ = 134894214000. Its totient is φ = 11243913216.
The previous prime is 42164705183. The next prime is 42164705299. The reversal of 42164705280 is 8250746124.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
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, 655555 + ... + 716994.
Almost surely, 242164705280 is an apocalyptic number.
42164705280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42164705280 is an abundant number, since it is smaller than the sum of its proper divisors (92729508720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42164705280 is a wasteful number, since it uses less digits than its factorization.
42164705280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1372579 (or 1372559 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 39.
The spelling of 42164705280 in words is "forty-two billion, one hundred sixty-four million, seven hundred five thousand, two hundred eighty".
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