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20111110230112 = 2511107533961083
BaseRepresentation
bin1001001001010011110111…
…00101001101000001100000
32122012121021211222000102121
410210221323211031001200
510114000023204330422
6110434525543554024
74143660026263546
oct444517345150140
978177254860377
1020111110230112
11645408a47a4a0
12230980215b914
13b2b614803b25
144d7550a83d96
1524d2096858c7
hex124a7b94d060

20111110230112 has 48 divisors (see below), whose sum is σ = 43596854586432. Its totient is φ = 9055979950720.

The previous prime is 20111110230061. The next prime is 20111110230131. The reversal of 20111110230112 is 21103201111102.

It is a happy number.

It is a super-4 number, since 4×201111102301124 (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266942878 + ... + 267018205.

It is an arithmetic number, because the mean of its divisors is an integer number (908267803884).

Almost surely, 220111110230112 is an apocalyptic number.

20111110230112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20111110230112 is an abundant number, since it is smaller than the sum of its proper divisors (23485744356320).

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

20111110230112 is a wasteful number, since it uses less digits than its factorization.

20111110230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533961211 (or 533961203 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 20111110230112 its reverse (21103201111102), we get a palindrome (41214311341214).

The spelling of 20111110230112 in words is "twenty trillion, one hundred eleven billion, one hundred ten million, two hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 107 176 214 352 428 856 1177 1712 2354 3424 4708 9416 18832 37664 533961083 1067922166 2135844332 4271688664 5873571913 8543377328 11747143826 17086754656 23494287652 46988575304 57133835881 93977150608 114267671762 187954301216 228535343524 457070687048 628472194691 914141374096 1256944389382 1828282748192 2513888778764 5027777557528 10055555115056 20111110230112