Base | Representation |
---|---|
bin | 101100001010011110… |
… | …000110100110010001 |
3 | 11112101210200000122201 |
4 | 230022132012212101 |
5 | 1234104044210021 |
6 | 33441245403201 |
7 | 3266055634315 |
oct | 541236064621 |
9 | 145353600581 |
10 | 47420303761 |
11 | 19124586096 |
12 | 9234b69501 |
13 | 461948854c |
14 | 241bc95b45 |
15 | 1378175591 |
hex | b0a786991 |
47420303761 has 8 divisors (see below), whose sum is σ = 50425230024. Its totient is φ = 44439321600.
The previous prime is 47420303743. The next prime is 47420303803. The reversal of 47420303761 is 16730302474.
It can be written as a sum of positive squares in 4 ways, for example, as 2654207361 + 44766096400 = 51519^2 + 211580^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47420303761 - 213 = 47420295569 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47420303761.
It is not an unprimeable number, because it can be changed into a prime (47420303731) 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, 5981940 + ... + 5989861.
It is an arithmetic number, because the mean of its divisors is an integer number (6303153753).
Almost surely, 247420303761 is an apocalyptic number.
It is an amenable number.
47420303761 is a deficient number, since it is larger than the sum of its proper divisors (3004926263).
47420303761 is a wasteful number, since it uses less digits than its factorization.
47420303761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11972051.
The product of its (nonzero) digits is 84672, while the sum is 37.
The spelling of 47420303761 in words is "forty-seven billion, four hundred twenty million, three hundred three thousand, seven hundred sixty-one".
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