Base | Representation |
---|---|
bin | 101100001001101000… |
… | …110111010010110010 |
3 | 11112100211101222012000 |
4 | 230021220313102302 |
5 | 1234042011104232 |
6 | 33440030314430 |
7 | 3265526206326 |
oct | 541150672262 |
9 | 145324358160 |
10 | 47406347442 |
11 | 19117713543 |
12 | 9230358a16 |
13 | 461660cc7c |
14 | 241a0a1986 |
15 | 1376d1a27c |
hex | b09a374b2 |
47406347442 has 48 divisors (see below), whose sum is σ = 111183907680. Its totient is φ = 14970419352.
The previous prime is 47406347389. The next prime is 47406347449. The reversal of 47406347442 is 24474360474.
47406347442 is a `hidden beast` number, since 4 + 7 + 4 + 0 + 634 + 7 + 4 + 4 + 2 = 666.
It is a super-3 number, since 3×474063474423 (a number of 33 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (47406347449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1196428 + ... + 1235415.
It is an arithmetic number, because the mean of its divisors is an integer number (2316331410).
Almost surely, 247406347442 is an apocalyptic number.
47406347442 is an abundant number, since it is smaller than the sum of its proper divisors (63777560238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47406347442 is a wasteful number, since it uses less digits than its factorization.
47406347442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2431892 (or 2431867 counting only the distinct ones).
The product of its (nonzero) digits is 1806336, while the sum is 45.
The spelling of 47406347442 in words is "forty-seven billion, four hundred six million, three hundred forty-seven thousand, four hundred forty-two".
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