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30823317504 = 215357279
BaseRepresentation
bin11100101101001101…
…101000000000000000
32221120010111202200000
4130231031220000000
51001111232130004
622054322400000
72140554606300
oct345515500000
987503452600
1030823317504
1112087a60721
125b82800000
132ba2b20415
1416c5923600
15c06059c39
hex72d368000

30823317504 has 576 divisors, whose sum is σ = 108777614400. Its totient is φ = 8695185408.

The previous prime is 30823317479. The next prime is 30823317517. The reversal of 30823317504 is 40571332803.

30823317504 is a `hidden beast` number, since 30 + 82 + 33 + 17 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 390168537 + ... + 390168615.

It is an arithmetic number, because the mean of its divisors is an integer number (188850025).

Almost surely, 230823317504 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 30823317504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54388807200).

30823317504 is an abundant number, since it is smaller than the sum of its proper divisors (77954296896).

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

30823317504 is an frugal number, since it uses more digits than its factorization.

30823317504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 30823317504 in words is "thirty billion, eight hundred twenty-three million, three hundred seventeen thousand, five hundred four".