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20211301321112 = 23112932745728549
BaseRepresentation
bin1001001100001110011110…
…11011111000100110011000
32122120011220100011210020202
410212013033123320212120
510122120221114233422
6110552535454441332
74154134613432636
oct446071733704630
978504810153222
1020211301321112
116492623763040
122325103b03248
13b37bc0a9b765
144dc337248356
15250b20569b92
hex1261cf6f8998

20211301321112 has 64 divisors (see below), whose sum is σ = 41485358628000. Its totient is φ = 9154946211840.

The previous prime is 20211301321111. The next prime is 20211301321117. The reversal of 20211301321112 is 21112310311202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211301321111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707937014 + ... + 707965562.

Almost surely, 220211301321112 is an apocalyptic number.

20211301321112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20211301321112 is an abundant number, since it is smaller than the sum of its proper divisors (21274057306888).

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

20211301321112 is a wasteful number, since it uses less digits than its factorization.

20211301321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56316 (or 56312 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 20211301321112 its reverse (21112310311202), we get a palindrome (41323611632314).

The spelling of 20211301321112 in words is "twenty trillion, two hundred eleven billion, three hundred one million, three hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 293 586 1172 2344 3223 6446 12892 25784 27457 28549 54914 57098 109828 114196 219656 228392 302027 314039 604054 628078 1208108 1256156 2416216 2512312 8044901 8364857 16089802 16729714 32179604 33459428 64359208 66918856 88493911 92013427 176987822 184026854 353975644 368053708 707951288 736107416 783869893 1567739786 3135479572 6270959144 8622568823 17245137646 34490275292 68980550584 229673878649 459347757298 918695514596 1837391029192 2526412665139 5052825330278 10105650660556 20211301321112