Base | Representation |
---|---|
bin | 11100011000011010… |
… | …111000110100101011 |
3 | 2220122211002121121211 |
4 | 130120122320310223 |
5 | 444402431111442 |
6 | 21555541413551 |
7 | 2126120513215 |
oct | 343032706453 |
9 | 86584077554 |
10 | 30474472747 |
11 | 11a19055474 |
12 | 5aa5a0a2b7 |
13 | 2b4877ccc4 |
14 | 16914775b5 |
15 | bd55ed617 |
hex | 7186b8d2b |
30474472747 has 2 divisors, whose sum is σ = 30474472748. Its totient is φ = 30474472746.
The previous prime is 30474472711. The next prime is 30474472751. The reversal of 30474472747 is 74727447403.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30474472747 - 27 = 30474472619 is a prime.
It is a super-3 number, since 3×304744727473 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30474472747.
It is not a weakly prime, because it can be changed into another prime (30474473747) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15237236373 + 15237236374.
It is an arithmetic number, because the mean of its divisors is an integer number (15237236374).
Almost surely, 230474472747 is an apocalyptic number.
30474472747 is a deficient number, since it is larger than the sum of its proper divisors (1).
30474472747 is an equidigital number, since it uses as much as digits as its factorization.
30474472747 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3687936, while the sum is 49.
The spelling of 30474472747 in words is "thirty billion, four hundred seventy-four million, four hundred seventy-two thousand, seven hundred forty-seven".
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