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2115005112 = 23321123116107
BaseRepresentation
bin111111000010000…
…0110101010111000
312110101202101120200
41332010012222320
513312420130422
6545511522200
7103261150443
oct17604065270
95411671520
102115005112
11995957710
124b0389360
1327924291c
14160c7465a
15c5a2d2ac
hex7e106ab8

2115005112 has 96 divisors (see below), whose sum is σ = 6520625280. Its totient is φ = 613039680.

The previous prime is 2115005093. The next prime is 2115005141.

2115005112 is a `hidden beast` number, since 2 + 1 + 150 + 0 + 511 + 2 = 666.

2115005112 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×21150051123 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39838 + ... + 76269.

It is an arithmetic number, because the mean of its divisors is an integer number (67923180).

Almost surely, 22115005112 is an apocalyptic number.

2115005112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2115005112 is an abundant number, since it is smaller than the sum of its proper divisors (4405620168).

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

2115005112 is a wasteful number, since it uses less digits than its factorization.

2115005112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116153 (or 116146 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 2115005112 is about 45989.1847285859. The cubic root of 2115005112 is about 1283.6219663303.

It can be divided in two parts, 211500 and 5112, that added together give a palindrome (216612).

The spelling of 2115005112 in words is "two billion, one hundred fifteen million, five thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 23 24 33 36 44 46 66 69 72 88 92 99 132 138 184 198 207 253 264 276 396 414 506 552 759 792 828 1012 1518 1656 2024 2277 3036 4554 6072 9108 18216 116107 232214 348321 464428 696642 928856 1044963 1277177 1393284 2089926 2554354 2670461 2786568 3831531 4179852 5108708 5340922 7663062 8011383 8359704 10217416 10681844 11494593 15326124 16022766 21363688 22989186 24034149 29375071 30652248 32045532 45978372 48068298 58750142 64091064 88125213 91956744 96136596 117500284 176250426 192273192 235000568 264375639 352500852 528751278 705001704 1057502556 2115005112