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2133204320 = 255131025579
BaseRepresentation
bin111111100100110…
…0001110101100000
312111200000000012102
41333021201311200
513332100014240
6551401545532
7103601636402
oct17711416540
95450000172
102133204320
119a5157a85
124b64a52a8
1327cc454a0
14163450b72
15c7425815
hex7f261d60

2133204320 has 48 divisors (see below), whose sum is σ = 5427369360. Its totient is φ = 787643904.

The previous prime is 2133204317. The next prime is 2133204341. The reversal of 2133204320 is 234023312.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2133204292 and 2133204301.

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, 510710 + ... + 514869.

It is an arithmetic number, because the mean of its divisors is an integer number (113070195).

Almost surely, 22133204320 is an apocalyptic number.

2133204320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133204320 is an abundant number, since it is smaller than the sum of its proper divisors (3294165040).

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

2133204320 is a wasteful number, since it uses less digits than its factorization.

2133204320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025607 (or 1025599 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2133204320 is about 46186.6249037533. The cubic root of 2133204320 is about 1287.2932287419.

Adding to 2133204320 its reverse (234023312), we get a palindrome (2367227632).

The spelling of 2133204320 in words is "two billion, one hundred thirty-three million, two hundred four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 1025579 2051158 4102316 5127895 8204632 10255790 13332527 16409264 20511580 26665054 32818528 41023160 53330108 66662635 82046320 106660216 133325270 164092640 213320432 266650540 426640864 533301080 1066602160 2133204320