Base | Representation |
---|---|
bin | 101100001010011111… |
… | …001001101001110110 |
3 | 11112101211011222102100 |
4 | 230022133021221312 |
5 | 1234104132002142 |
6 | 33441255322530 |
7 | 3266061160140 |
oct | 541237115166 |
9 | 145354158370 |
10 | 47420578422 |
11 | 19124753488 |
12 | 9235080446 |
13 | 4619553579 |
14 | 241bd27c90 |
15 | 13781cbb4c |
hex | b0a7c9a76 |
47420578422 has 48 divisors (see below), whose sum is σ = 118142818560. Its totient is φ = 13465609776.
The previous prime is 47420578421. The next prime is 47420578487. The reversal of 47420578422 is 22487502474.
47420578422 is a `hidden beast` number, since 4 + 74 + 2 + 0 + 578 + 4 + 2 + 2 = 666.
It is a super-2 number, since 2×474205784222 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47420578421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1133922 + ... + 1174997.
It is an arithmetic number, because the mean of its divisors is an integer number (2461308720).
Almost surely, 247420578422 is an apocalyptic number.
47420578422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
47420578422 is an abundant number, since it is smaller than the sum of its proper divisors (70722240138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47420578422 is a wasteful number, since it uses less digits than its factorization.
47420578422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2309097 (or 2309094 counting only the distinct ones).
The product of its (nonzero) digits is 1003520, while the sum is 45.
The spelling of 47420578422 in words is "forty-seven billion, four hundred twenty million, five hundred seventy-eight thousand, four hundred twenty-two".
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