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2144715408 = 2434112331211
BaseRepresentation
bin111111111010101…
…1100001010010000
312112110122211110000
41333311130022100
513343021343113
6552452410000
7104101531413
oct17765341220
95473584400
102144715408
11a006aa480
124ba316900
13282445a94
14164ba9b7a
15c844b373
hex7fd5c290

2144715408 has 400 divisors, whose sum is σ = 7328673792. Its totient is φ = 598752000.

The previous prime is 2144715379. The next prime is 2144715457. The reversal of 2144715408 is 8045174412.

It is a happy number.

2144715408 is a `hidden beast` number, since 2 + 1 + 44 + 71 + 540 + 8 = 666.

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

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10164423 + ... + 10164633.

Almost surely, 22144715408 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 2144715408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3664336896).

2144715408 is an abundant number, since it is smaller than the sum of its proper divisors (5183958384).

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

2144715408 is a wasteful number, since it uses less digits than its factorization.

2144715408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 2144715408 is about 46311.0721966141. The cubic root of 2144715408 is about 1289.6045515841.

The spelling of 2144715408 in words is "two billion, one hundred forty-four million, seven hundred fifteen thousand, four hundred eight".