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2113950980 = 225412577989
BaseRepresentation
bin111111000000000…
…0101010100000100
312110022202211120202
41332000011110010
513312132412410
6545433150032
7103246200251
oct17600052404
95408684522
102113950980
119952a7729
124abb5b318
13278c63b8b
14160a7c428
15c58c0ca5
hex7e005504

2113950980 has 24 divisors (see below), whose sum is σ = 4547574360. Its totient is φ = 824956160.

The previous prime is 2113950961. The next prime is 2113950991. The reversal of 2113950980 is 890593112.

It can be written as a sum of positive squares in 4 ways, for example, as 94167616 + 2019783364 = 9704^2 + 44942^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288175 + ... + 1289814.

It is an arithmetic number, because the mean of its divisors is an integer number (189482265).

Almost surely, 22113950980 is an apocalyptic number.

2113950980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113950980 is an abundant number, since it is smaller than the sum of its proper divisors (2433623380).

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

2113950980 is a wasteful number, since it uses less digits than its factorization.

2113950980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578039 (or 2578037 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 2113950980 is about 45977.7226491265. The cubic root of 2113950980 is about 1283.4086757738.

The spelling of 2113950980 in words is "two billion, one hundred thirteen million, nine hundred fifty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 2577989 5155978 10311956 12889945 25779890 51559780 105697549 211395098 422790196 528487745 1056975490 2113950980