Base | Representation |
---|---|
bin | 10101100110000000111001… |
… | …01101101101101001010100 |
3 | 20020010120201220112202111020 |
4 | 22303000130231231221110 |
5 | 22211001042340420233 |
6 | 244554334004041140 |
7 | 13000503300460122 |
oct | 1263003455555124 |
9 | 206116656482436 |
10 | 47485640170068 |
11 | 14148601a23071 |
12 | 53ab0509931b0 |
13 | 2065b52016769 |
14 | ba2462752912 |
15 | 57532553e9b3 |
hex | 2b301cb6da54 |
47485640170068 has 24 divisors (see below), whose sum is σ = 110812294942272. Its totient is φ = 15826765597824.
The previous prime is 47485640170061. The next prime is 47485640170081. The reversal of 47485640170068 is 86007104658474.
It is a super-2 number, since 2×474856401700682 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47485640169993 and 47485640170020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47485640170061) 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, 222529605 + ... + 222742892.
It is an arithmetic number, because the mean of its divisors is an integer number (4617178955928).
Almost surely, 247485640170068 is an apocalyptic number.
It is an amenable number.
47485640170068 is an abundant number, since it is smaller than the sum of its proper divisors (63326654772204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47485640170068 is a wasteful number, since it uses less digits than its factorization.
47485640170068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 445281391 (or 445281389 counting only the distinct ones).
The product of its (nonzero) digits is 36126720, while the sum is 60.
The spelling of 47485640170068 in words is "forty-seven trillion, four hundred eighty-five billion, six hundred forty million, one hundred seventy thousand, sixty-eight".
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