Base | Representation |
---|---|
bin | 101100001001100010… |
… | …101010001110000101 |
3 | 11112100201100100011111 |
4 | 230021202222032011 |
5 | 1234041102033104 |
6 | 33435531405021 |
7 | 3265506323521 |
oct | 541142521605 |
9 | 145321310144 |
10 | 47404721029 |
11 | 191168025a6 |
12 | 922b8b3771 |
13 | 46161908b3 |
14 | 2419b9ad81 |
15 | 1376ae8404 |
hex | b098aa385 |
47404721029 has 8 divisors (see below), whose sum is σ = 47590536440. Its totient is φ = 47219011776.
The previous prime is 47404721027. The next prime is 47404721033. The reversal of 47404721029 is 92012740474.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 3292120129 + 44112600900 = 57377^2 + 210030^2 .
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 47404721029 - 21 = 47404721027 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47404720982 and 47404721000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47404721027) 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, 936247 + ... + 985579.
It is an arithmetic number, because the mean of its divisors is an integer number (5948817055).
Almost surely, 247404721029 is an apocalyptic number.
It is an amenable number.
47404721029 is a deficient number, since it is larger than the sum of its proper divisors (185815411).
47404721029 is a wasteful number, since it uses less digits than its factorization.
47404721029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53079.
The product of its (nonzero) digits is 112896, while the sum is 40.
The spelling of 47404721029 in words is "forty-seven billion, four hundred four million, seven hundred twenty-one thousand, twenty-nine".
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