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30828202440 = 2335797378353
BaseRepresentation
bin11100101101100000…
…010000100111001000
32221120110200221112120
4130231200100213020
51001114004434230
622055015211240
72140644253140
oct345540204710
987513627476
1030828202440
111208a797862
125b84376b20
132ba3b40a09
1416c6435920
15c066c2310
hex72d8109c8

30828202440 has 128 divisors (see below), whose sum is σ = 106786632960. Its totient is φ = 6973784064.

The previous prime is 30828202429. The next prime is 30828202459. The reversal of 30828202440 is 4420282803.

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, 107697 + ... + 270656.

It is an arithmetic number, because the mean of its divisors is an integer number (834270570).

Almost surely, 230828202440 is an apocalyptic number.

30828202440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30828202440 is an abundant number, since it is smaller than the sum of its proper divisors (75958430520).

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

30828202440 is a wasteful number, since it uses less digits than its factorization.

30828202440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378471 (or 378467 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 30828202440 in words is "thirty billion, eight hundred twenty-eight million, two hundred two thousand, four hundred forty".