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2144214140 = 225107210707
BaseRepresentation
bin111111111001110…
…0001110001111100
312112102201100211112
41333303201301330
513342404323030
6552433541152
7104064343115
oct17763416174
95472640745
102144214140
11a00397902
124ba1147b8
132822cb883
14164ab920c
15c839ca95
hex7fce1c7c

2144214140 has 12 divisors (see below), whose sum is σ = 4502849736. Its totient is φ = 857685648.

The previous prime is 2144214113. The next prime is 2144214161. The reversal of 2144214140 is 414124412.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53605334 + ... + 53605373.

It is an arithmetic number, because the mean of its divisors is an integer number (375237478).

Almost surely, 22144214140 is an apocalyptic number.

2144214140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144214140 is an abundant number, since it is smaller than the sum of its proper divisors (2358635596).

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

2144214140 is a wasteful number, since it uses less digits than its factorization.

2144214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107210716 (or 107210714 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2144214140 is about 46305.6599132331. The cubic root of 2144214140 is about 1289.5040739386.

Adding to 2144214140 its reverse (414124412), we get a palindrome (2558338552).

The spelling of 2144214140 in words is "two billion, one hundred forty-four million, two hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 107210707 214421414 428842828 536053535 1072107070 2144214140