Search a number
-
+
20001010011100 = 2252432108172039
BaseRepresentation
bin1001000110000110110010…
…00110001100101111011100
32121211002002202222101102021
410203003121012030233130
510110144032030323400
6110312200454105524
74133011446666436
oct443033106145734
977732082871367
1020001010011100
1164114207a9358
1222b03b594b2a4
13b21119617841
144d20a8453656
1524a41389371a
hex1230d918cbdc

20001010011100 has 54 divisors (see below), whose sum is σ = 44435018763240. Its totient is φ = 7814348025120.

The previous prime is 20001010011097. The next prime is 20001010011161. The reversal of 20001010011100 is 111001010002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53901120 + ... + 54270919.

Almost surely, 220001010011100 is an apocalyptic number.

20001010011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001010011100 is an abundant number, since it is smaller than the sum of its proper divisors (24434008752140).

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

20001010011100 is a wasteful number, since it uses less digits than its factorization.

20001010011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108172139 (or 108172089 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 20001010011100 its reverse (111001010002), we get a palindrome (20112011021102).

The spelling of 20001010011100 in words is "twenty trillion, one billion, ten million, eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 860 1075 1849 2150 3698 4300 7396 9245 18490 36980 46225 92450 184900 108172039 216344078 432688156 540860195 1081720390 2163440780 2704300975 4651397677 5408601950 9302795354 10817203900 18605590708 23256988385 46513976770 93027953540 116284941925 200010100111 232569883850 400020200222 465139767700 800040400444 1000050500555 2000101001110 4000202002220 5000252502775 10000505005550 20001010011100