Base | Representation |
---|---|
bin | 100111010011100000… |
… | …010111111000100000 |
3 | 11000221012201220200210 |
4 | 213103200113320200 |
5 | 1142413003402142 |
6 | 31215440414120 |
7 | 3022556102505 |
oct | 472340277040 |
9 | 130835656623 |
10 | 42203184672 |
11 | 16997663320 |
12 | 8219917340 |
13 | 3c9765a62c |
14 | 20850374ac |
15 | 117013249c |
hex | 9d3817e20 |
42203184672 has 48 divisors (see below), whose sum is σ = 120854577312. Its totient is φ = 12788843520.
The previous prime is 42203184557. The next prime is 42203184677. The reversal of 42203184672 is 27648130224.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×422031846722 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 42203184672.
It is not an unprimeable number, because it can be changed into a prime (42203184677) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19981513 + ... + 19983624.
It is an arithmetic number, because the mean of its divisors is an integer number (2517803694).
Almost surely, 242203184672 is an apocalyptic number.
It is an amenable number.
42203184672 is an abundant number, since it is smaller than the sum of its proper divisors (78651392640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42203184672 is a wasteful number, since it uses less digits than its factorization.
42203184672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39965161 (or 39965153 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 39.
The spelling of 42203184672 in words is "forty-two billion, two hundred three million, one hundred eighty-four thousand, six hundred seventy-two".
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