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2011202320 = 245145917231
BaseRepresentation
bin111011111100000…
…1000001100010000
312012011102122220211
41313320020030100
513104331433240
6531323013504
7100560636421
oct16770101420
95164378824
102011202320
119422a9086
1248166a294
1326089a25a
14151173648
15bb876bea
hex77e08310

2011202320 has 40 divisors (see below), whose sum is σ = 4679521920. Its totient is φ = 803882880.

The previous prime is 2011202227. The next prime is 2011202339. The reversal of 2011202320 is 232021102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2011202320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108105 + ... + 125335.

It is an arithmetic number, because the mean of its divisors is an integer number (116988048).

Almost surely, 22011202320 is an apocalyptic number.

2011202320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011202320 is an abundant number, since it is smaller than the sum of its proper divisors (2668319600).

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

2011202320 is a wasteful number, since it uses less digits than its factorization.

2011202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18703 (or 18697 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2011202320 is about 44846.4304042139. The cubic root of 2011202320 is about 1262.2690113628.

Adding to 2011202320 its reverse (232021102), we get a palindrome (2243223422).

The spelling of 2011202320 in words is "two billion, eleven million, two hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1459 2918 5836 7295 11672 14590 17231 23344 29180 34462 58360 68924 86155 116720 137848 172310 275696 344620 689240 1378480 25140029 50280058 100560116 125700145 201120232 251400290 402240464 502800580 1005601160 2011202320