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2130004340 = 225421925243
BaseRepresentation
bin111111011110101…
…0100100101110100
312111102222102122122
41332331110211310
513330240114330
6551205215112
7103532511122
oct17675244564
95442872578
102130004340
119a3371872
124b5401498
1327c394ac9
14162c5a912
15c6ee25e5
hex7ef54974

2130004340 has 24 divisors (see below), whose sum is σ = 4474246560. Its totient is φ = 851766048.

The previous prime is 2130004301. The next prime is 2130004343. The reversal of 2130004340 is 434000312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130004343) 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 7 ways as a sum of consecutive naturals, for example, 71759 + ... + 97001.

It is an arithmetic number, because the mean of its divisors is an integer number (186426940).

Almost surely, 22130004340 is an apocalyptic number.

2130004340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130004340 is an abundant number, since it is smaller than the sum of its proper divisors (2344242220).

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

2130004340 is a wasteful number, since it uses less digits than its factorization.

2130004340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29471 (or 29469 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2130004340 is about 46151.9700554592. The cubic root of 2130004340 is about 1286.6492250970.

Adding to 2130004340 its reverse (434000312), we get a palindrome (2564004652).

The spelling of 2130004340 in words is "two billion, one hundred thirty million, four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 4219 8438 16876 21095 25243 42190 50486 84380 100972 126215 252430 504860 106500217 213000434 426000868 532501085 1065002170 2130004340