Base | Representation |
---|---|
bin | 101100000011110101… |
… | …110000010000110100 |
3 | 11112010001100102022200 |
4 | 230003311300100310 |
5 | 1233342110010340 |
6 | 33422233224500 |
7 | 3263235255006 |
oct | 540365602064 |
9 | 145101312280 |
10 | 47309063220 |
11 | 19077807461 |
12 | 9203862130 |
13 | 45cc40a643 |
14 | 240b1ba376 |
15 | 136d500330 |
hex | b03d70434 |
47309063220 has 72 divisors (see below), whose sum is σ = 143694141864. Its totient is φ = 12599048448.
The previous prime is 47309063201. The next prime is 47309063233. The reversal of 47309063220 is 2236090374.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 7249841316 + 40059221904 = 85146^2 + 200148^2 .
It is a super-3 number, since 3×473090632203 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37339 + ... + 309858.
Almost surely, 247309063220 is an apocalyptic number.
It is an amenable number.
47309063220 is an abundant number, since it is smaller than the sum of its proper divisors (96385078644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47309063220 is a wasteful number, since it uses less digits than its factorization.
47309063220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 347969 (or 347964 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 36.
The spelling of 47309063220 in words is "forty-seven billion, three hundred nine million, sixty-three thousand, two hundred twenty".
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