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2133561141 = 358780087
BaseRepresentation
bin111111100101011…
…1000111100110101
312111200200010200000
41333022320330311
513332142424031
6551413341513
7103604653605
oct17712707465
95450603600
102133561141
119a5381078
124b6637899
1328003ba1a
14163504c05
15c74963e6
hex7f2b8f35

2133561141 has 12 divisors (see below), whose sum is σ = 3195952032. Its totient is φ = 1422373932.

The previous prime is 2133561103. The next prime is 2133561151. The reversal of 2133561141 is 1411653312.

It is a happy number.

2133561141 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 5 + 611 + 41 = 666.

It is not a de Polignac number, because 2133561141 - 221 = 2131463989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133561151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4389801 + ... + 4390286.

It is an arithmetic number, because the mean of its divisors is an integer number (266329336).

Almost surely, 22133561141 is an apocalyptic number.

It is an amenable number.

2133561141 is a deficient number, since it is larger than the sum of its proper divisors (1062390891).

2133561141 is an frugal number, since it uses more digits than its factorization.

2133561141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780102 (or 8780090 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2133561141 is about 46190.4875596697. The cubic root of 2133561141 is about 1287.3649999024.

The spelling of 2133561141 in words is "two billion, one hundred thirty-three million, five hundred sixty-one thousand, one hundred forty-one".

Divisors: 1 3 9 27 81 243 8780087 26340261 79020783 237062349 711187047 2133561141