Base | Representation |
---|---|
bin | 11100010000100010… |
… | …011001001001100000 |
3 | 2220022121020121022000 |
4 | 130100202121021200 |
5 | 444120102104212 |
6 | 21534455044000 |
7 | 2122623430614 |
oct | 342042311140 |
9 | 86277217260 |
10 | 30342222432 |
11 | 11960436895 |
12 | 5a69670600 |
13 | 2b27257192 |
14 | 167ba8d344 |
15 | bc8bc81dc |
hex | 710899260 |
30342222432 has 48 divisors (see below), whose sum is σ = 88498151280. Its totient is φ = 10114073856.
The previous prime is 30342222367. The next prime is 30342222433. The reversal of 30342222432 is 23422224303.
It is a happy number.
30342222432 is a `hidden beast` number, since 3 + 0 + 3 + 4 + 2 + 222 + 432 = 666.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×303422224322 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 30342222396 and 30342222405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30342222433) 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, 17558293 + ... + 17560020.
It is an arithmetic number, because the mean of its divisors is an integer number (1843711485).
Almost surely, 230342222432 is an apocalyptic number.
30342222432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30342222432 is an abundant number, since it is smaller than the sum of its proper divisors (58155928848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30342222432 is a wasteful number, since it uses less digits than its factorization.
30342222432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35118332 (or 35118318 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 27.
Adding to 30342222432 its reverse (23422224303), we get a palindrome (53764446735).
The spelling of 30342222432 in words is "thirty billion, three hundred forty-two million, two hundred twenty-two thousand, four hundred thirty-two".
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