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21112100011110 = 2352392944504883
BaseRepresentation
bin1001100110011100010110…
…01110001011110001100110
32202202022000112211112012010
410303032023032023301212
510231400040100323420
6112522433112535050
74306204343112513
oct463161316136146
982668015745163
1021112100011110
1167aa656079509
12244b7bb6b1486
13ba1b29b6c3a4
1452db8c73830a
15269292c604e0
hex13338b38bc66

21112100011110 has 32 divisors (see below), whose sum is σ = 50881044395520. Its totient is φ = 5606337295328.

The previous prime is 21112100011087. The next prime is 21112100011141. The reversal of 21112100011110 is 1111000121112.

It is a super-2 number, since 2×211121000111102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1472245272 + ... + 1472259611.

It is an arithmetic number, because the mean of its divisors is an integer number (1590032637360).

Almost surely, 221112100011110 is an apocalyptic number.

21112100011110 is an abundant number, since it is smaller than the sum of its proper divisors (29768944384410).

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

21112100011110 is a wasteful number, since it uses less digits than its factorization.

21112100011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944505132.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 21112100011110 its reverse (1111000121112), we get a palindrome (22223100132222).

The spelling of 21112100011110 in words is "twenty-one trillion, one hundred twelve billion, one hundred million, eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 239 478 717 1195 1434 2390 3585 7170 2944504883 5889009766 8833514649 14722524415 17667029298 29445048830 44167573245 88335146490 703736667037 1407473334074 2111210001111 3518683335185 4222420002222 7037366670370 10556050005555 21112100011110