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2140043320 = 23553501083
BaseRepresentation
bin111111110001110…
…0111100000111000
312112010212110112201
41333203213200320
513340322341240
6552204315544
7104014032232
oct17743474070
95463773481
102140043320
119a8aa9248
124b8842bb4
1328149b32c
14164311252
15c7d26d9a
hex7f8e7838

2140043320 has 16 divisors (see below), whose sum is σ = 4815097560. Its totient is φ = 856017312.

The previous prime is 2140043299. The next prime is 2140043329. The reversal of 2140043320 is 233400412.

It is a super-2 number, since 2×21400433202 = 9159570822953244800, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140043329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26750502 + ... + 26750581.

Almost surely, 22140043320 is an apocalyptic number.

2140043320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140043320 is an abundant number, since it is smaller than the sum of its proper divisors (2675054240).

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

2140043320 is a wasteful number, since it uses less digits than its factorization.

2140043320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53501094 (or 53501090 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2140043320 is about 46260.6022442423. The cubic root of 2140043320 is about 1288.6674379191.

Adding to 2140043320 its reverse (233400412), we get a palindrome (2373443732).

The spelling of 2140043320 in words is "two billion, one hundred forty million, forty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53501083 107002166 214004332 267505415 428008664 535010830 1070021660 2140043320