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2136222320 = 24535974381
BaseRepresentation
bin111111101010100…
…0010101001110000
312111212200100010012
41333111002221300
513333333103240
6551550354052
7103636406261
oct17725025160
95455610105
102136222320
119a69294a1
124b74bb928
1328076109b
141639d8968
15c781eb65
hex7f542a70

2136222320 has 40 divisors (see below), whose sum is σ = 4980618720. Its totient is φ = 852097280.

The previous prime is 2136222311. The next prime is 2136222349. The reversal of 2136222320 is 232226312.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8471 + ... + 65910.

It is an arithmetic number, because the mean of its divisors is an integer number (124515468).

Almost surely, 22136222320 is an apocalyptic number.

2136222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2136222320 is an abundant number, since it is smaller than the sum of its proper divisors (2844396400).

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

2136222320 is a wasteful number, since it uses less digits than its factorization.

2136222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74753 (or 74747 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2136222320 is about 46219.2851524123. The cubic root of 2136222320 is about 1287.9000186013.

Adding to 2136222320 its reverse (232226312), we get a palindrome (2368448632).

The spelling of 2136222320 in words is "two billion, one hundred thirty-six million, two hundred twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 359 718 1436 1795 2872 3590 5744 7180 14360 28720 74381 148762 297524 371905 595048 743810 1190096 1487620 2975240 5950480 26702779 53405558 106811116 133513895 213622232 267027790 427244464 534055580 1068111160 2136222320