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21411121314 = 23112314104823
BaseRepresentation
bin10011111100001100…
…111100100010100010
32001021011210122210010
4103330030330202202
5322322221340224
613500334345350
71355405346132
oct237414744242
961234718703
1021411121314
119098024390
12419665b256
132032b4b46b
141071890ac2
15854aaae29
hex4fc33c8a2

21411121314 has 32 divisors (see below), whose sum is σ = 48746271744. Its totient is φ = 6206121680.

The previous prime is 21411121301. The next prime is 21411121357. The reversal of 21411121314 is 41312111412.

It is a super-2 number, since 2×214111213142 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7050894 + ... + 7053929.

It is an arithmetic number, because the mean of its divisors is an integer number (1523320992).

Almost surely, 221411121314 is an apocalyptic number.

21411121314 is an abundant number, since it is smaller than the sum of its proper divisors (27335150430).

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

21411121314 is a wasteful number, since it uses less digits than its factorization.

21411121314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14104862.

The product of its digits is 192, while the sum is 21.

Adding to 21411121314 its reverse (41312111412), we get a palindrome (62723232726).

The spelling of 21411121314 in words is "twenty-one billion, four hundred eleven million, one hundred twenty-one thousand, three hundred fourteen".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 14104823 28209646 42314469 84628938 155153053 310306106 324410929 465459159 648821858 930918318 973232787 1946465574 3568520219 7137040438 10705560657 21411121314