Search a number
-
+
21102001310302 = 2118916276624047
BaseRepresentation
bin1001100110001001100010…
…10010101100101001011110
32202201022221202100101000021
410303010301102230221132
510231213344313412202
6112514043042422354
74305366156426223
oct463046122545136
982638852311007
1021102001310302
1167a6343680090
1224498616619ba
13ba0baa8a4893
1452d4b144194a
15268da13a7a37
hex1331314aca5e

21102001310302 has 32 divisors (see below), whose sum is σ = 34939998466560. Its totient is φ = 9478214940480.

The previous prime is 21102001310153. The next prime is 21102001310311. The reversal of 21102001310302 is 20301310020112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126358 + ... + 6497689.

It is an arithmetic number, because the mean of its divisors is an integer number (1091874952080).

Almost surely, 221102001310302 is an apocalyptic number.

21102001310302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21102001310302 is a deficient number, since it is larger than the sum of its proper divisors (13837997156258).

21102001310302 is a wasteful number, since it uses less digits than its factorization.

21102001310302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625776.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21102001310302 its reverse (20301310020112), we get a palindrome (41403311330414).

The spelling of 21102001310302 in words is "twenty-one trillion, one hundred two billion, one million, three hundred ten thousand, three hundred two".

Divisors: 1 2 11 22 89 178 979 1627 1958 3254 17897 35794 144803 289606 1592833 3185666 6624047 13248094 72864517 145729034 589540183 1179080366 6484942013 10777324469 12969884026 21554648938 118550569159 237101138318 959181877741 1918363755482 10551000655151 21102001310302