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20000101011200 = 28523125015783
BaseRepresentation
bin1001000110000101000101…
…11010101000111100000000
32121210222202102112101222022
410203002202322220330000
510110140201324324300
6110311530343101012
74132650101425112
oct443024272507400
977728672471868
1020000101011200
116410aa468a272
1222b01a1441768
13b210031bc88b
144d201d8333b2
1524a3adb8a285
hex1230a2ea8f00

20000101011200 has 54 divisors (see below), whose sum is σ = 49503375034344. Its totient is φ = 8000040401920.

The previous prime is 20000101011197. The next prime is 20000101011227. The reversal of 20000101011200 is 211010100002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1562501492 + ... + 1562514291.

Almost surely, 220000101011200 is an apocalyptic number.

20000101011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000101011200 is an abundant number, since it is smaller than the sum of its proper divisors (29503274023144).

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

20000101011200 is an equidigital number, since it uses as much as digits as its factorization.

20000101011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125015809 (or 3125015790 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20000101011200 its reverse (211010100002), we get a palindrome (20211111111202).

The spelling of 20000101011200 in words is "twenty trillion, one hundred one million, eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 3200 6400 3125015783 6250031566 12500063132 15625078915 25000126264 31250157830 50000252528 62500315660 78125394575 100000505056 125000631320 156250789150 200001010112 250001262640 312501578300 400002020224 500002525280 625003156600 800004040448 1000005050560 1250006313200 2000010101120 2500012626400 4000020202240 5000025252800 10000050505600 20000101011200