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20110012000 = 255313386731
BaseRepresentation
bin10010101110101001…
…100110111001100000
31220220111112110100021
4102232221212321200
5312141130341000
613123255203224
71311226165411
oct225651467140
956814473307
1020110012000
11858a639731
123a92976514
131b864155b0
14d8ab61808
157ca74c11a
hex4aea66e60

20110012000 has 96 divisors (see below), whose sum is σ = 53211229344. Its totient is φ = 7425216000.

The previous prime is 20110011941. The next prime is 20110012009. The reversal of 20110012000 is 21001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110012009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141366 + ... + 245365.

It is an arithmetic number, because the mean of its divisors is an integer number (554283639).

Almost surely, 220110012000 is an apocalyptic number.

20110012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110012000 is an abundant number, since it is smaller than the sum of its proper divisors (33101217344).

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

20110012000 is a wasteful number, since it uses less digits than its factorization.

20110012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386769 (or 386751 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20110012000 its reverse (21001102), we get a palindrome (20131013102).

The spelling of 20110012000 in words is "twenty billion, one hundred ten million, twelve thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 125 130 160 200 208 250 260 325 400 416 500 520 650 800 1000 1040 1300 1625 2000 2080 2600 3250 4000 5200 6500 10400 13000 26000 52000 386731 773462 1546924 1933655 3093848 3867310 5027503 6187696 7734620 9668275 10055006 12375392 15469240 19336550 20110012 25137515 30938480 38673100 40220024 48341375 50275030 61876960 77346200 80440048 96682750 100550060 125687575 154692400 160880096 193365500 201100120 251375150 309384800 386731000 402200240 502750300 628437875 773462000 804400480 1005500600 1256875750 1546924000 2011001200 2513751500 4022002400 5027503000 10055006000 20110012000