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30533234688 = 2123311191321
BaseRepresentation
bin11100011011111011…
…000011000000000000
32220210220200000212000
4130123323003000000
51000013002002223
622005441104000
72130433132635
oct343373030000
986726600760
1030533234688
1111a49240160
125b01628000
132b579b5598
1416991b218c
15bda859543
hex71bec3000

30533234688 has 416 divisors, whose sum is σ = 103953619200. Its totient is φ = 8758886400.

The previous prime is 30533234657. The next prime is 30533234713. The reversal of 30533234688 is 88643233503.

30533234688 is a `hidden beast` number, since 3 + 0 + 533 + 2 + 34 + 6 + 88 = 666.

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, 23113068 + ... + 23114388.

Almost surely, 230533234688 is an apocalyptic number.

30533234688 is a gapful number since it is divisible by the number (38) 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 30533234688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51976809600).

30533234688 is an abundant number, since it is smaller than the sum of its proper divisors (73420384512).

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

30533234688 is a wasteful number, since it uses less digits than its factorization.

30533234688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 30533234688 in words is "thirty billion, five hundred thirty-three million, two hundred thirty-four thousand, six hundred eighty-eight".