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149884473728 = 27111921312251
BaseRepresentation
bin1000101110010111001…
…1111001000110000000
3112022212201002011121202
42023211303321012000
54423430411124403
6152504520240332
713554164001653
oct2134563710600
9468781064552
10149884473728
11586249725a0
12250700100a8
1311198660912
14737c2bb89a
153d738ae688
hex22e5cf9180

149884473728 has 192 divisors, whose sum is σ = 346568207040. Its totient is φ = 64022400000.

The previous prime is 149884473719. The next prime is 149884473743. The reversal of 149884473728 is 827374488941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66584603 + ... + 66586853.

It is an arithmetic number, because the mean of its divisors is an integer number (1805042745).

Almost surely, 2149884473728 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 149884473728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173284103520).

149884473728 is an abundant number, since it is smaller than the sum of its proper divisors (196683733312).

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

149884473728 is a wasteful number, since it uses less digits than its factorization.

149884473728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2414 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 65.

The spelling of 149884473728 in words is "one hundred forty-nine billion, eight hundred eighty-four million, four hundred seventy-three thousand, seven hundred twenty-eight".