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30654394368 = 2123131271511
BaseRepresentation
bin11100100011001001…
…001111000000000000
32221010100122120200120
4130203021033000000
51000240011104433
622025450020240
72133434024103
oct344311170000
987110576616
1030654394368
1112000674224
125b36117680
132b76b272c0
1416ab31073a
15be62dd7b3
hex72324f000

30654394368 has 208 divisors, whose sum is σ = 88774189056. Its totient is φ = 9351659520.

The previous prime is 30654394357. The next prime is 30654394391. The reversal of 30654394368 is 86349345603.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (208).

It is a self number, because there is not a number n which added to its sum of digits gives 30654394368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20286733 + ... + 20288243.

Almost surely, 230654394368 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 30654394368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44387094528).

30654394368 is an abundant number, since it is smaller than the sum of its proper divisors (58119794688).

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

30654394368 is a wasteful number, since it uses less digits than its factorization.

30654394368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 30654394368 in words is "thirty billion, six hundred fifty-four million, three hundred ninety-four thousand, three hundred sixty-eight".