Base | Representation |
---|---|
bin | 100111010000100101… |
… | …110011000011001010 |
3 | 11000210210201001021010 |
4 | 213100211303003022 |
5 | 1142312443300033 |
6 | 31210532224350 |
7 | 3021423265662 |
oct | 472045630312 |
9 | 130723631233 |
10 | 42154275018 |
11 | 16971a97819 |
12 | 820546b0b6 |
13 | 3c8a4945cb |
14 | 207c7451a2 |
15 | 116abc0863 |
hex | 9d09730ca |
42154275018 has 32 divisors (see below), whose sum is σ = 88828286976. Its totient is φ = 13309998768.
The previous prime is 42154275017. The next prime is 42154275073. The reversal of 42154275018 is 81057245124.
It is not an unprimeable number, because it can be changed into a prime (42154275017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468630 + ... + 1497057.
It is an arithmetic number, because the mean of its divisors is an integer number (2775883968).
Almost surely, 242154275018 is an apocalyptic number.
42154275018 is an abundant number, since it is smaller than the sum of its proper divisors (46674011958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42154275018 is a wasteful number, since it uses less digits than its factorization.
42154275018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2965818.
The product of its (nonzero) digits is 89600, while the sum is 39.
The spelling of 42154275018 in words is "forty-two billion, one hundred fifty-four million, two hundred seventy-five thousand, eighteen".
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