Base | Representation |
---|---|
bin | 100001100110001011… |
… | …0110101111010101110 |
3 | 20220020010012222222220 |
4 | 1003030112311322232 |
5 | 2140224343014224 |
6 | 53051102220210 |
7 | 5132616011226 |
oct | 1031426657256 |
9 | 226203188886 |
10 | 72148016814 |
11 | 28663746985 |
12 | 11b96284666 |
13 | 6a5a478013 |
14 | 36c6001086 |
15 | 1d23eb0279 |
hex | 10cc5b5eae |
72148016814 has 32 divisors (see below), whose sum is σ = 146769382944. Its totient is φ = 23637694080.
The previous prime is 72148016803. The next prime is 72148016827. The reversal of 72148016814 is 41861084127.
It is a congruent number.
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, 430732 + ... + 574304.
It is an arithmetic number, because the mean of its divisors is an integer number (4586543217).
Almost surely, 272148016814 is an apocalyptic number.
72148016814 is an abundant number, since it is smaller than the sum of its proper divisors (74621366130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72148016814 is a wasteful number, since it uses less digits than its factorization.
72148016814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145012.
The product of its (nonzero) digits is 86016, while the sum is 42.
The spelling of 72148016814 in words is "seventy-two billion, one hundred forty-eight million, sixteen thousand, eight hundred fourteen".
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