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30407024088 = 2332732942457
BaseRepresentation
bin11100010100011001…
…100101110111011000
32220111010011212110100
4130110121211313120
5444233144232323
621545132015400
72124341304000
oct342431456730
986433155410
1030407024088
1111993a77281
125a87301560
132b377c585c
14168651b000
15bce728943
hex714665dd8

30407024088 has 192 divisors, whose sum is σ = 99351720000. Its totient is φ = 8387947008.

The previous prime is 30407024071. The next prime is 30407024093. The reversal of 30407024088 is 88042070403.

30407024088 is a `hidden beast` number, since 3 + 0 + 407 + 0 + 240 + 8 + 8 = 666.

It is a super-2 number, since 2×304070240882 (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 694956 + ... + 737412.

It is an arithmetic number, because the mean of its divisors is an integer number (517456875).

Almost surely, 230407024088 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 30407024088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49675860000).

30407024088 is an abundant number, since it is smaller than the sum of its proper divisors (68944695912).

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

30407024088 is a wasteful number, since it uses less digits than its factorization.

30407024088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42519 (or 42498 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 30407024088 in words is "thirty billion, four hundred seven million, twenty-four thousand, eighty-eight".