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21102301314 = 23217288723887
BaseRepresentation
bin10011101001110010…
…111001000010000010
32000110122200222101100
4103221302321002002
5321204142120224
613405543315230
71344635413233
oct235162710202
960418628340
1021102301314
118a49776346
12410b14bb16
131cb3b82c33
14104286308a
15837908ac9
hex4e9cb9082

21102301314 has 48 divisors (see below), whose sum is σ = 48429957888. Its totient is φ = 6617759616.

The previous prime is 21102301313. The next prime is 21102301321. The reversal of 21102301314 is 41310320112.

It is a super-2 number, since 2×211023013142 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21102301313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871479 + ... + 895365.

It is an arithmetic number, because the mean of its divisors is an integer number (1008957456).

Almost surely, 221102301314 is an apocalyptic number.

21102301314 is an abundant number, since it is smaller than the sum of its proper divisors (27327656574).

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

21102301314 is a wasteful number, since it uses less digits than its factorization.

21102301314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26799 (or 26796 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21102301314 its reverse (41310320112), we get a palindrome (62412621426).

The spelling of 21102301314 in words is "twenty-one billion, one hundred two million, three hundred one thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 2887 5774 8661 17322 23887 25983 47774 49079 51966 71661 98158 143322 147237 214983 294474 406079 429966 441711 812158 883422 1218237 2436474 3654711 7309422 68961769 137923538 206885307 413770614 620655921 1172350073 1241311842 2344700146 3517050219 7034100438 10551150657 21102301314