Base | Representation |
---|---|
bin | 11100010101111001… |
… | …101011010101100000 |
3 | 2220112212120120012211 |
4 | 130111321223111200 |
5 | 444311121243240 |
6 | 21551431531504 |
7 | 2125065352036 |
oct | 342571532540 |
9 | 86485516184 |
10 | 30432212320 |
11 | 119a72105a4 |
12 | 5a93829b94 |
13 | 2b3caa4633 |
14 | 16899d6556 |
15 | bd1a51bea |
hex | 715e6b560 |
30432212320 has 24 divisors (see below), whose sum is σ = 71896101984. Its totient is φ = 12172884864.
The previous prime is 30432212297. The next prime is 30432212323. The reversal of 30432212320 is 2321223403.
It is a super-2 number, since 2×304322123202 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30432212291 and 30432212300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30432212323) 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, 95100504 + ... + 95100823.
It is an arithmetic number, because the mean of its divisors is an integer number (2995670916).
Almost surely, 230432212320 is an apocalyptic number.
It is an amenable number.
30432212320 is an abundant number, since it is smaller than the sum of its proper divisors (41463889664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30432212320 is a wasteful number, since it uses less digits than its factorization.
30432212320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190201342 (or 190201334 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30432212320 its reverse (2321223403), we get a palindrome (32753435723).
The spelling of 30432212320 in words is "thirty billion, four hundred thirty-two million, two hundred twelve thousand, three hundred twenty".
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