Base | Representation |
---|---|
bin | 11100011010111111… |
… | …001111001101001011 |
3 | 2220202211011110210110 |
4 | 130122333033031023 |
5 | 444444443243133 |
6 | 22004121045403 |
7 | 2130152642412 |
oct | 343277171513 |
9 | 86684143713 |
10 | 30517556043 |
11 | 11a404015a7 |
12 | 5ab8326863 |
13 | 2b54686090 |
14 | 1697090479 |
15 | bd92adc63 |
hex | 71afcf34b |
30517556043 has 16 divisors (see below), whose sum is σ = 44437268736. Its totient is φ = 18515525280.
The previous prime is 30517556029. The next prime is 30517556053. The reversal of 30517556043 is 34065571503.
It is not a de Polignac number, because 30517556043 - 28 = 30517555787 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 30517555992 and 30517556010.
It is not an unprimeable number, because it can be changed into a prime (30517556053) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5507805 + ... + 5513342.
It is an arithmetic number, because the mean of its divisors is an integer number (2777329296).
Almost surely, 230517556043 is an apocalyptic number.
30517556043 is a deficient number, since it is larger than the sum of its proper divisors (13919712693).
30517556043 is a wasteful number, since it uses less digits than its factorization.
30517556043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11021234.
The product of its (nonzero) digits is 189000, while the sum is 39.
The spelling of 30517556043 in words is "thirty billion, five hundred seventeen million, five hundred fifty-six thousand, forty-three".
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