Base | Representation |
---|---|
bin | 11100011011100110… |
… | …001111010011010101 |
3 | 2220210112101220111111 |
4 | 130123212033103111 |
5 | 1000010102430203 |
6 | 22005124135021 |
7 | 2130335564131 |
oct | 343346172325 |
9 | 86715356444 |
10 | 30527780053 |
11 | 11a46154aa1 |
12 | 5abb837471 |
13 | 2b568258a4 |
14 | 16985923c1 |
15 | bda12d26d |
hex | 71b98f4d5 |
30527780053 has 4 divisors (see below), whose sum is σ = 30534445728. Its totient is φ = 30521114380.
The previous prime is 30527780047. The next prime is 30527780113. The reversal of 30527780053 is 35008772503.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30527780053 - 25 = 30527780021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30527779988 and 30527780015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30527780033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3325963 + ... + 3335128.
It is an arithmetic number, because the mean of its divisors is an integer number (7633611432).
Almost surely, 230527780053 is an apocalyptic number.
It is an amenable number.
30527780053 is a deficient number, since it is larger than the sum of its proper divisors (6665675).
30527780053 is an equidigital number, since it uses as much as digits as its factorization.
30527780053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6665674.
The product of its (nonzero) digits is 176400, while the sum is 40.
The spelling of 30527780053 in words is "thirty billion, five hundred twenty-seven million, seven hundred eighty thousand, fifty-three".
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