Base | Representation |
---|---|
bin | 11011111101100101… |
… | …011001100000000000 |
3 | 2212111102220120210102 |
4 | 123331211121200000 |
5 | 442442201240300 |
6 | 21443135421532 |
7 | 2112012566510 |
oct | 337545314000 |
9 | 85442816712 |
10 | 30024243200 |
11 | 118079a2336 |
12 | 599b0848a8 |
13 | 2aa64029a3 |
14 | 164b759840 |
15 | baad170d5 |
hex | 6fd959800 |
30024243200 has 144 divisors (see below), whose sum is σ = 85077523440. Its totient is φ = 10293903360.
The previous prime is 30024243187. The next prime is 30024243233. The reversal of 30024243200 is 234242003.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316514 + ... + 400286.
It is an arithmetic number, because the mean of its divisors is an integer number (590816135).
Almost surely, 230024243200 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30024243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42538761720).
30024243200 is an abundant number, since it is smaller than the sum of its proper divisors (55053280240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30024243200 is an equidigital number, since it uses as much as digits as its factorization.
30024243200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83812 (or 83787 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 20.
Adding to 30024243200 its reverse (234242003), we get a palindrome (30258485203).
The spelling of 30024243200 in words is "thirty billion, twenty-four million, two hundred forty-three thousand, two hundred".
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