Search a number
-
+
21310302202 = 271522164443
BaseRepresentation
bin10011110110001100…
…010110011111111010
32001000011002111221221
4103312030112133322
5322120414132302
613442333422254
71353042402640
oct236614263772
961004074857
1021310302202
119046123502
12416893a98a
132017cabb97
141062329190
1584ace3937
hex4f63167fa

21310302202 has 8 divisors (see below), whose sum is σ = 36531946656. Its totient is φ = 9132986652.

The previous prime is 21310302199. The next prime is 21310302241. The reversal of 21310302202 is 20220301312.

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

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, 761082208 + ... + 761082235.

It is an arithmetic number, because the mean of its divisors is an integer number (4566493332).

Almost surely, 221310302202 is an apocalyptic number.

21310302202 is a deficient number, since it is larger than the sum of its proper divisors (15221644454).

21310302202 is a wasteful number, since it uses less digits than its factorization.

21310302202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522164452.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21310302202 its reverse (20220301312), we get a palindrome (41530603514).

The spelling of 21310302202 in words is "twenty-one billion, three hundred ten million, three hundred two thousand, two hundred two".

Divisors: 1 2 7 14 1522164443 3044328886 10655151101 21310302202