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2112141140 = 225139759763
BaseRepresentation
bin111110111100100…
…1011011101010100
312110012100212221122
41331321023131110
513311202004030
6545330303112
7103224621614
oct17571133524
95405325848
102112141140
1199428099a
124ab427a98
1327877c175
1416072aa44
15c56648e5
hex7de4b754

2112141140 has 24 divisors (see below), whose sum is σ = 4467412320. Its totient is φ = 838777248.

The previous prime is 2112141133. The next prime is 2112141169. The reversal of 2112141140 is 411412112.

It is a super-2 number, since 2×21121411402 = 8922280390560999200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377102 + ... + 382661.

It is an arithmetic number, because the mean of its divisors is an integer number (186142180).

Almost surely, 22112141140 is an apocalyptic number.

2112141140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112141140 is an abundant number, since it is smaller than the sum of its proper divisors (2355271180).

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

2112141140 is a wasteful number, since it uses less digits than its factorization.

2112141140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759911 (or 759909 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 2112141140 is about 45958.0367291728. The cubic root of 2112141140 is about 1283.0423116266.

Adding to 2112141140 its reverse (411412112), we get a palindrome (2523553252).

The spelling of 2112141140 in words is "two billion, one hundred twelve million, one hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 759763 1519526 3039052 3798815 7597630 15195260 105607057 211214114 422428228 528035285 1056070570 2112141140