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2136868848 = 243273203279
BaseRepresentation
bin111111101011110…
…0000011111110000
312111220220011222200
41333113200133300
513334014300343
6552012303200
7103645041222
oct17727403760
95456804880
102136868848
119a7230214
124b7771b00
1328092944a
14163b26412
15c78eb4d3
hex7f5e07f0

2136868848 has 60 divisors (see below), whose sum is σ = 6062216160. Its totient is φ = 702528768.

The previous prime is 2136868847. The next prime is 2136868861. The reversal of 2136868848 is 8488686312.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2136868794 and 2136868803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136868847) 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 11 ways as a sum of consecutive naturals, for example, 91128 + ... + 112151.

It is an arithmetic number, because the mean of its divisors is an integer number (101036936).

Almost surely, 22136868848 is an apocalyptic number.

It is an amenable number.

2136868848 is an abundant number, since it is smaller than the sum of its proper divisors (3925347312).

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

2136868848 is a wasteful number, since it uses less digits than its factorization.

2136868848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203366 (or 203357 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 2136868848 is about 46226.2787600300. The cubic root of 2136868848 is about 1288.0299332061.

The spelling of 2136868848 in words is "two billion, one hundred thirty-six million, eight hundred sixty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 73 144 146 219 292 438 584 657 876 1168 1314 1752 2628 3504 5256 10512 203279 406558 609837 813116 1219674 1626232 1829511 2439348 3252464 3659022 4878696 7318044 9757392 14636088 14839367 29272176 29678734 44518101 59357468 89036202 118714936 133554303 178072404 237429872 267108606 356144808 534217212 712289616 1068434424 2136868848