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20121412311 = 3371113744493
BaseRepresentation
bin10010101111010101…
…000110001011010111
31220221021222122122000
4102233111012023113
5312202040143221
613124343410343
71311425116440
oct225725061327
956837878560
1020121412311
118596015980
123a967539b3
131b888a7640
14d8c48c2c7
157cb74ee26
hex4af5462d7

20121412311 has 64 divisors (see below), whose sum is σ = 40023997440. Its totient is φ = 9648616320.

The previous prime is 20121412301. The next prime is 20121412349. The reversal of 20121412311 is 11321412102.

20121412311 is a `hidden beast` number, since 201 + 21 + 412 + 31 + 1 = 666.

It is not a de Polignac number, because 20121412311 - 214 = 20121395927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121412301) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 345220 + ... + 399273.

It is an arithmetic number, because the mean of its divisors is an integer number (625374960).

Almost surely, 220121412311 is an apocalyptic number.

20121412311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20121412311 is a deficient number, since it is larger than the sum of its proper divisors (19902585129).

20121412311 is a wasteful number, since it uses less digits than its factorization.

20121412311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744533 (or 744527 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20121412311 its reverse (11321412102), we get a palindrome (31442824413).

The spelling of 20121412311 in words is "twenty billion, one hundred twenty-one million, four hundred twelve thousand, three hundred eleven".

Divisors: 1 3 7 9 11 13 21 27 33 39 63 77 91 99 117 143 189 231 273 297 351 429 693 819 1001 1287 2079 2457 3003 3861 9009 27027 744493 2233479 5211451 6700437 8189423 9678409 15634353 20101311 24568269 29035227 46903059 57325961 67748863 73704807 87105681 106462499 140709177 171977883 203246589 221114421 261317043 319387497 515933649 609739767 745237493 958162491 1547800947 1829219301 2235712479 2874487473 6707137437 20121412311