Base | Representation |
---|---|
bin | 11011111110000011… |
… | …110011000101100000 |
3 | 2212111222220110101000 |
4 | 123332003303011200 |
5 | 443001221243240 |
6 | 21444022312000 |
7 | 2112140410215 |
oct | 337603630540 |
9 | 85458813330 |
10 | 30032212320 |
11 | 11811445690 |
12 | 59a1888600 |
13 | 2aa7c63046 |
14 | 164c831b0c |
15 | bab88d430 |
hex | 6fe0f3160 |
30032212320 has 192 divisors, whose sum is σ = 114668628480. Its totient is φ = 7280524800.
The previous prime is 30032212297. The next prime is 30032212339. The reversal of 30032212320 is 2321223003.
It is a happy number.
30032212320 is a `hidden beast` number, since 300 + 32 + 2 + 12 + 320 = 666.
It is a super-3 number, since 3×300322123203 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30032212293 and 30032212302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268476 + ... + 363515.
It is an arithmetic number, because the mean of its divisors is an integer number (597232440).
Almost surely, 230032212320 is an apocalyptic number.
30032212320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30032212320 is an abundant number, since it is smaller than the sum of its proper divisors (84636416160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30032212320 is a wasteful number, since it uses less digits than its factorization.
30032212320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 632026 (or 632012 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30032212320 its reverse (2321223003), we get a palindrome (32353435323).
The spelling of 30032212320 in words is "thirty billion, thirty-two million, two hundred twelve thousand, three hundred twenty".
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