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21042014302 = 216696303779
BaseRepresentation
bin10011100110001100…
…111010100001011110
32000022110021002011001
4103212030322201132
5321043223424202
613355551220514
71343304112321
oct234614724136
960273232131
1021042014302
118a18739871
1240b2b1773a
131ca453544a
14103884c7b8
1583249ad87
hex4e633a85e

21042014302 has 8 divisors (see below), whose sum is σ = 31581937800. Its totient is φ = 10514701704.

The previous prime is 21042014297. The next prime is 21042014369. The reversal of 21042014302 is 20341024012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21042014302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3148552 + ... + 3155227.

It is an arithmetic number, because the mean of its divisors is an integer number (3947742225).

Almost surely, 221042014302 is an apocalyptic number.

21042014302 is a deficient number, since it is larger than the sum of its proper divisors (10539923498).

21042014302 is a wasteful number, since it uses less digits than its factorization.

21042014302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6305450.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21042014302 its reverse (20341024012), we get a palindrome (41383038314).

The spelling of 21042014302 in words is "twenty-one billion, forty-two million, fourteen thousand, three hundred two".

Divisors: 1 2 1669 3338 6303779 12607558 10521007151 21042014302