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2133042320 = 24537970351
BaseRepresentation
bin111111100100011…
…1010010010010000
312111122200202222102
41333020322102100
513332024323240
6551354255532
7103600363163
oct17710722220
95448622872
102133042320
119a50572a2
124b64275a8
1327cbb9826
1416340bada
15c73e2815
hex7f23a490

2133042320 has 40 divisors (see below), whose sum is σ = 4972479360. Its totient is φ = 850953600.

The previous prime is 2133042271. The next prime is 2133042323. The reversal of 2133042320 is 232403312.

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

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 = 2133042292 and 2133042301.

It is not an unprimeable number, because it can be changed into a prime (2133042323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4856 + ... + 65495.

It is an arithmetic number, because the mean of its divisors is an integer number (124311984).

Almost surely, 22133042320 is an apocalyptic number.

2133042320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133042320 is an abundant number, since it is smaller than the sum of its proper divisors (2839437040).

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

2133042320 is a wasteful number, since it uses less digits than its factorization.

2133042320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70743 (or 70737 counting only the distinct ones).

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

The square root of 2133042320 is about 46184.8711159834. The cubic root of 2133042320 is about 1287.2606413365.

Adding to 2133042320 its reverse (232403312), we get a palindrome (2365445632).

The spelling of 2133042320 in words is "two billion, one hundred thirty-three million, forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 379 758 1516 1895 3032 3790 6064 7580 15160 30320 70351 140702 281404 351755 562808 703510 1125616 1407020 2814040 5628080 26663029 53326058 106652116 133315145 213304232 266630290 426608464 533260580 1066521160 2133042320