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2011303312 = 243113929173
BaseRepresentation
bin111011111100010…
…0000110110010000
312012011121210110021
41313320200312100
513104343201222
6531325113224
7100561540024
oct16770406620
95164553407
102011303312
11942367a47
124816b8814
13260904205
1415119c384
15bb896ac7
hex77e20d90

2011303312 has 40 divisors (see below), whose sum is σ = 4051685120. Its totient is φ = 966176640.

The previous prime is 2011303271. The next prime is 2011303361. The reversal of 2011303312 is 2133031102.

It is a super-3 number, since 3×20113033123 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 54358 + ... + 83530.

It is an arithmetic number, because the mean of its divisors is an integer number (101292128).

Almost surely, 22011303312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011303312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025842560).

2011303312 is an abundant number, since it is smaller than the sum of its proper divisors (2040381808).

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

2011303312 is a wasteful number, since it uses less digits than its factorization.

2011303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29351 (or 29345 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2011303312 is about 44847.5563659828. The cubic root of 2011303312 is about 1262.2901391789.

Adding to 2011303312 its reverse (2133031102), we get a palindrome (4144334414).

The spelling of 2011303312 in words is "two billion, eleven million, three hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 62 124 139 248 278 496 556 1112 2224 4309 8618 17236 29173 34472 58346 68944 116692 233384 466768 904363 1808726 3617452 4055047 7234904 8110094 14469808 16220188 32440376 64880752 125706457 251412914 502825828 1005651656 2011303312