Base | Representation |
---|---|
bin | 11011111110000011… |
… | …011111010111001100 |
3 | 2212111222202100112212 |
4 | 123332003133113030 |
5 | 443001211202112 |
6 | 21444020445552 |
7 | 2112136622534 |
oct | 337603372714 |
9 | 85458670485 |
10 | 30032131532 |
11 | 1181139aa17 |
12 | 59a18498b8 |
13 | 2aa7c35340 |
14 | 164c8104c4 |
15 | bab874522 |
hex | 6fe0df5cc |
30032131532 has 24 divisors (see below), whose sum is σ = 56619498432. Its totient is φ = 13855968000.
The previous prime is 30032131531. The next prime is 30032131627. The reversal of 30032131532 is 23513123003.
It is a junction number, because it is equal to n+sod(n) for n = 30032131498 and 30032131507.
It is not an unprimeable number, because it can be changed into a prime (30032131531) 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, 42557 + ... + 248747.
It is an arithmetic number, because the mean of its divisors is an integer number (2359145768).
Almost surely, 230032131532 is an apocalyptic number.
It is an amenable number.
30032131532 is a deficient number, since it is larger than the sum of its proper divisors (26587366900).
30032131532 is a wasteful number, since it uses less digits than its factorization.
30032131532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209009 (or 209007 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 23.
Adding to 30032131532 its reverse (23513123003), we get a palindrome (53545254535).
The spelling of 30032131532 in words is "thirty billion, thirty-two million, one hundred thirty-one thousand, five hundred thirty-two".
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