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21303102313211 = 179319134469757
BaseRepresentation
bin1001101100000000000111…
…10110001001001011111011
32210102120000211100210120012
410312000003312021023323
510243012223143010321
6113150302103052135
74326045506644235
oct466000366111373
983376024323505
1021303102313211
11687365a981044
122480825a4104b
13bb6b49036064
1453910b843255
1526e22131005b
hex136003d892fb

21303102313211 has 8 divisors (see below), whose sum is σ = 22558646602080. Its totient is φ = 20047826982528.

The previous prime is 21303102313201. The next prime is 21303102313271. The reversal of 21303102313211 is 11231320130312.

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

It is a cyclic number.

It is not a de Polignac number, because 21303102313211 - 26 = 21303102313147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21303102313201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67076456 + ... + 67393301.

It is an arithmetic number, because the mean of its divisors is an integer number (2819830825260).

Almost surely, 221303102313211 is an apocalyptic number.

21303102313211 is a deficient number, since it is larger than the sum of its proper divisors (1255544288869).

21303102313211 is a wasteful number, since it uses less digits than its factorization.

21303102313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134479093.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21303102313211 its reverse (11231320130312), we get a palindrome (32534422443523).

The spelling of 21303102313211 in words is "twenty-one trillion, three hundred three billion, one hundred two million, three hundred thirteen thousand, two hundred eleven".

Divisors: 1 17 9319 158423 134469757 2285985869 1253123665483 21303102313211