Base | Representation |
---|---|
bin | 11100011101000111… |
… | …010111001111100001 |
3 | 2220212022022102201200 |
4 | 130131013113033201 |
5 | 1000033112144140 |
6 | 22011433551413 |
7 | 2131065155022 |
oct | 343507271741 |
9 | 86768272650 |
10 | 30553240545 |
11 | 11a59564923 |
12 | 5b08275569 |
13 | 2b5bb9b579 |
14 | 169badcc49 |
15 | bdc4ac030 |
hex | 71d1d73e1 |
30553240545 has 12 divisors (see below), whose sum is σ = 52958950356. Its totient is φ = 16295061600.
The previous prime is 30553240513. The next prime is 30553240573. The reversal of 30553240545 is 54504235503.
30553240545 is a `hidden beast` number, since 30 + 5 + 532 + 40 + 54 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 8925714576 + 21627525969 = 94476^2 + 147063^2 .
It is not a de Polignac number, because 30553240545 - 25 = 30553240513 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339480406 + ... + 339480495.
It is an arithmetic number, because the mean of its divisors is an integer number (4413245863).
Almost surely, 230553240545 is an apocalyptic number.
It is an amenable number.
30553240545 is a deficient number, since it is larger than the sum of its proper divisors (22405709811).
30553240545 is a wasteful number, since it uses less digits than its factorization.
30553240545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678960912 (or 678960909 counting only the distinct ones).
The product of its (nonzero) digits is 180000, while the sum is 36.
The spelling of 30553240545 in words is "thirty billion, five hundred fifty-three million, two hundred forty thousand, five hundred forty-five".
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