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30741898464 = 25331931193313
BaseRepresentation
bin11100101000010111…
…000010010011100000
32221100110022020202000
4130220113002103200
51000424411222324
622042253324000
72135545553064
oct345027022340
987313266660
1030741898464
1112046000362
125b5b496600
132b8bcb4184
1416b8babaa4
15bedd259c9
hex7285c24e0

30741898464 has 384 divisors, whose sum is σ = 98245324800. Its totient is φ = 9316270080.

The previous prime is 30741898459. The next prime is 30741898471. The reversal of 30741898464 is 46489814703.

30741898464 is a `hidden beast` number, since 30 + 74 + 1 + 89 + 8 + 464 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 30741898464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98216772 + ... + 98217084.

It is an arithmetic number, because the mean of its divisors is an integer number (255847200).

Almost surely, 230741898464 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 30741898464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49122662400).

30741898464 is an abundant number, since it is smaller than the sum of its proper divisors (67503426336).

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

30741898464 is a wasteful number, since it uses less digits than its factorization.

30741898464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 30741898464 in words is "thirty billion, seven hundred forty-one million, eight hundred ninety-eight thousand, four hundred sixty-four".