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149750486640 = 2434519532433
BaseRepresentation
bin1000101101110111010…
…0110001011001110000
3112022112100221220220000
42023131310301121300
54423142111033030
6152443332350000
713550646064026
oct2133564613160
9468470856800
10149750486640
1158566278067
1225033175300
131117697a411
1473685a0716
153d66c44860
hex22ddd31670

149750486640 has 600 divisors, whose sum is σ = 559293005040. Its totient is φ = 37032173568.

The previous prime is 149750486579. The next prime is 149750486647. The reversal of 149750486640 is 46684057941.

149750486640 is a `hidden beast` number, since 1 + 4 + 97 + 504 + 8 + 6 + 6 + 40 = 666.

149750486640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149750486647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 345843864 + ... + 345844296.

Almost surely, 2149750486640 is an apocalyptic number.

149750486640 is a gapful number since it is divisible by the number (10) 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 149750486640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279646502520).

149750486640 is an abundant number, since it is smaller than the sum of its proper divisors (409542518400).

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

149750486640 is a wasteful number, since it uses less digits than its factorization.

149750486640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 149750486640 in words is "one hundred forty-nine billion, seven hundred fifty million, four hundred eighty-six thousand, six hundred forty".