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2111343144 = 2332329131893
BaseRepresentation
bin111110111011000…
…1000101000101000
312110010212100022020
41331312020220220
513311000440034
6545301224440
7103215056241
oct17566105050
95403770266
102111343144
11993886399
124ab102120
1327855cb91
1416059dcc8
15c5558249
hex7dd88a28

2111343144 has 64 divisors (see below), whose sum is σ = 5697820800. Its totient is φ = 649963776.

The previous prime is 2111343119. The next prime is 2111343161. The reversal of 2111343144 is 4413431112.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49939 + ... + 81954.

It is an arithmetic number, because the mean of its divisors is an integer number (89028450).

Almost surely, 22111343144 is an apocalyptic number.

2111343144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111343144 is an abundant number, since it is smaller than the sum of its proper divisors (3586477656).

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

2111343144 is a wasteful number, since it uses less digits than its factorization.

2111343144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131954 (or 131950 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 2111343144 is about 45949.3541195086. The cubic root of 2111343144 is about 1282.8807075899.

Adding to 2111343144 its reverse (4413431112), we get a palindrome (6524774256).

The spelling of 2111343144 in words is "two billion, one hundred eleven million, three hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 23 24 29 46 58 69 87 92 116 138 174 184 232 276 348 552 667 696 1334 2001 2668 4002 5336 8004 16008 131893 263786 395679 527572 791358 1055144 1582716 3033539 3165432 3824897 6067078 7649794 9100617 11474691 12134156 15299588 18201234 22949382 24268312 30599176 36402468 45898764 72804936 87972631 91797528 175945262 263917893 351890524 527835786 703781048 1055671572 2111343144