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2140097380 = 225107004869
BaseRepresentation
bin111111110001111…
…0100101101100100
312112010222012200221
41333203310231210
513340331104010
6552205414124
7104014345651
oct17743645544
95463865627
102140097380
119a9035923
124b886a344
132814b9b15
14164326c28
15c7d37dda
hex7f8f4b64

2140097380 has 12 divisors (see below), whose sum is σ = 4494204540. Its totient is φ = 856038944.

The previous prime is 2140097371. The next prime is 2140097387. The reversal of 2140097380 is 837900412.

It can be written as a sum of positive squares in 2 ways, for example, as 296597284 + 1843500096 = 17222^2 + 42936^2 .

It is not an unprimeable number, because it can be changed into a prime (2140097387) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 53502415 + ... + 53502454.

It is an arithmetic number, because the mean of its divisors is an integer number (374517045).

Almost surely, 22140097380 is an apocalyptic number.

2140097380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140097380 is an abundant number, since it is smaller than the sum of its proper divisors (2354107160).

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

2140097380 is a wasteful number, since it uses less digits than its factorization.

2140097380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107004878 (or 107004876 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2140097380 is about 46261.1865390416. The cubic root of 2140097380 is about 1288.6782889105.

Adding to 2140097380 its reverse (837900412), we get a palindrome (2977997792).

The spelling of 2140097380 in words is "two billion, one hundred forty million, ninety-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 107004869 214009738 428019476 535024345 1070048690 2140097380