Base | Representation |
---|---|
bin | 11100011101000111… |
… | …011010000010100000 |
3 | 2220212022100000102221 |
4 | 130131013122002200 |
5 | 1000033113031000 |
6 | 22011434120424 |
7 | 2131065233305 |
oct | 343507320240 |
9 | 86768300387 |
10 | 30553252000 |
11 | 11a59572497 |
12 | 5b08280114 |
13 | 2b5bba384b |
14 | 169bb030ac |
15 | bdc4b061a |
hex | 71d1da0a0 |
30553252000 has 48 divisors (see below), whose sum is σ = 75069349992. Its totient is φ = 12221299200.
The previous prime is 30553251991. The next prime is 30553252001. The reversal of 30553252000 is 25235503.
It can be written as a sum of positive squares in 4 ways, for example, as 11739289104 + 18813962896 = 108348^2 + 137164^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (30553252001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3815157 + ... + 3823156.
Almost surely, 230553252000 is an apocalyptic number.
It is an amenable number.
30553252000 is an abundant number, since it is smaller than the sum of its proper divisors (44516097992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30553252000 is an equidigital number, since it uses as much as digits as its factorization.
30553252000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7638338 (or 7638320 counting only the distinct ones).
The product of its (nonzero) digits is 4500, while the sum is 25.
Adding to 30553252000 its reverse (25235503), we get a palindrome (30578487503).
The spelling of 30553252000 in words is "thirty billion, five hundred fifty-three million, two hundred fifty-two thousand".
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