Search a number
-
+
158948931856 = 24112132172412
BaseRepresentation
bin1001010000001000011…
…0000011100100010000
3120012021102110100120011
42110002012003210100
510101011411304411
6201004203124304
714324621425411
oct2240206034420
9505242410504
10158948931856
116145658a100
122697b813694
1311cb158c100
14799c0b1808
15420456ec21
hex2502183910

158948931856 has 405 divisors, whose sum is σ = 399105835149. Its totient is φ = 61237862400.

The previous prime is 158948931853. The next prime is 158948931863. The reversal of 158948931856 is 658139849851.

The square root of 158948931856 is 398684.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 156432906256 + 2516025600 = 395516^2 + 50160^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158948931791 and 158948931800.

It is not an unprimeable number, because it can be changed into a prime (158948931851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3876803196 + ... + 3876803236.

Almost surely, 2158948931856 is an apocalyptic number.

158948931856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

158948931856 is the 398684-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158948931856

158948931856 is an abundant number, since it is smaller than the sum of its proper divisors (240156903293).

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

158948931856 is a wasteful number, since it uses less digits than its factorization.

158948931856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 84 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 67.

The spelling of 158948931856 in words is "one hundred fifty-eight billion, nine hundred forty-eight million, nine hundred thirty-one thousand, eight hundred fifty-six".