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2012053680 = 24325721341107
BaseRepresentation
bin111011111101101…
…1000000010110000
312012020000220202200
41313323120002300
513110041204210
6531353143200
7100601113500
oct16773300260
95166026680
102012053680
1194282a78a
124819bab00
13260b07910
14151315a00
15bb9940c0
hex77ed80b0

2012053680 has 720 divisors, whose sum is σ = 8752502304. Its totient is φ = 410296320.

The previous prime is 2012053657. The next prime is 2012053733. The reversal of 2012053680 is 863502102.

2012053680 is a `hidden beast` number, since 2 + 0 + 120 + 536 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×20120536802 = 8096720022403084800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18804187 + ... + 18804293.

Almost surely, 22012053680 is an apocalyptic number.

2012053680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012053680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4376251152).

2012053680 is an abundant number, since it is smaller than the sum of its proper divisors (6740448624).

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

2012053680 is a wasteful number, since it uses less digits than its factorization.

2012053680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2012053680 is about 44855.9213482457. The cubic root of 2012053680 is about 1262.4470961722.

Adding to 2012053680 its reverse (863502102), we get a palindrome (2875555782).

The spelling of 2012053680 in words is "two billion, twelve million, fifty-three thousand, six hundred eighty".