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2136704388 = 22372133171127
BaseRepresentation
bin111111101011011…
…1000010110000100
312111220120211101120
41333112320112010
513333444020023
6552004553540
7103643454600
oct17726702604
95456524346
102136704388
119a71286a5
124b76b28b0
1328089c630
14163ac2500
15c78b78e3
hex7f5b8584

2136704388 has 288 divisors, whose sum is σ = 6589513728. Its totient is φ = 533433600.

The previous prime is 2136704377. The next prime is 2136704417. The reversal of 2136704388 is 8834076312.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 95 ways as a sum of consecutive naturals, for example, 16824381 + ... + 16824507.

It is an arithmetic number, because the mean of its divisors is an integer number (22880256).

Almost surely, 22136704388 is an apocalyptic number.

2136704388 is a gapful number since it is divisible by the number (28) 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 2136704388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3294756864).

2136704388 is an abundant number, since it is smaller than the sum of its proper divisors (4452809340).

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

2136704388 is a wasteful number, since it uses less digits than its factorization.

2136704388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 2136704388 is about 46224.4998674945. The cubic root of 2136704388 is about 1287.9968887764.

The spelling of 2136704388 in words is "two billion, one hundred thirty-six million, seven hundred four thousand, three hundred eighty-eight".