Search a number
-
+
20010011122112 = 261128423311253
BaseRepresentation
bin1001000110010111100011…
…00110101101100111000000
32121211221100002011012110012
410203023301212231213000
510110321000321401422
6110320245555124052
74133450505115544
oct443136146554700
977757302135405
1020010011122112
11641521a689280
1222b20a82a3628
13b21c2239672b
144d26bda77a24
1524a78dbde4e2
hex1232f19ad9c0

20010011122112 has 28 divisors (see below), whose sum is σ = 43317126351096. Its totient is φ = 9095459600640.

The previous prime is 20010011122063. The next prime is 20010011122121. The reversal of 20010011122112 is 21122111001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14211654923 + ... + 14211656330.

Almost surely, 220010011122112 is an apocalyptic number.

20010011122112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20010011122112 is an abundant number, since it is smaller than the sum of its proper divisors (23307115228984).

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

20010011122112 is a wasteful number, since it uses less digits than its factorization.

20010011122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28423311276 (or 28423311266 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20010011122112 its reverse (21122111001002), we get a palindrome (41132122123114).

The spelling of 20010011122112 in words is "twenty trillion, ten billion, eleven million, one hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 28423311253 56846622506 113693245012 227386490024 312656423783 454772980048 625312847566 909545960096 1250625695132 1819091920192 2501251390264 5002502780528 10005005561056 20010011122112