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30030280224 = 25371716316127
BaseRepresentation
bin11011111101111100…
…011011011000100000
32212111212021022000220
4123331330123120200
5443000222431344
621443513043040
72112115112250
oct337574333040
985455238026
1030030280224
111181034600a
1259a10b6480
132aa77377a9
14164c48b960
15bab60ac19
hex6fdf1b620

30030280224 has 192 divisors, whose sum is σ = 95981469696. Its totient is φ = 8025329664.

The previous prime is 30030280223. The next prime is 30030280229. The reversal of 30030280224 is 42208203003.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30030280194 and 30030280203.

It is not an unprimeable number, because it can be changed into a prime (30030280223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1854049 + ... + 1870175.

It is an arithmetic number, because the mean of its divisors is an integer number (499903488).

Almost surely, 230030280224 is an apocalyptic number.

30030280224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30030280224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47990734848).

30030280224 is an abundant number, since it is smaller than the sum of its proper divisors (65951189472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30030280224 is a wasteful number, since it uses less digits than its factorization.

30030280224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16327 (or 16319 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30030280224 its reverse (42208203003), we get a palindrome (72238483227).

The spelling of 30030280224 in words is "thirty billion, thirty million, two hundred eighty thousand, two hundred twenty-four".