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21313232132111 = 171657756620119
BaseRepresentation
bin1001101100010010111111…
…01000010101100000001111
32210110112011210101220201222
410312021133220111200033
510243143444411211421
6113155055204153555
74326554521664033
oct466113750254017
983415153356658
1021313232132111
1168779889a39a7
1224827923988bb
13bb7aa18a773a
145397ccd1a1c3
1526e6157b2cab
hex13625fa1580f

21313232132111 has 8 divisors (see below), whose sum is σ = 22580570861280. Its totient is φ = 20047406646528.

The previous prime is 21313232132107. The next prime is 21313232132147. The reversal of 21313232132111 is 11123123231312.

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 21313232132111 - 22 = 21313232132107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313232132411) 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, 378281891 + ... + 378338228.

It is an arithmetic number, because the mean of its divisors is an integer number (2822571357660).

Almost surely, 221313232132111 is an apocalyptic number.

21313232132111 is a deficient number, since it is larger than the sum of its proper divisors (1267338729169).

21313232132111 is a wasteful number, since it uses less digits than its factorization.

21313232132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756621793.

The product of its digits is 1296, while the sum is 26.

Adding to 21313232132111 its reverse (11123123231312), we get a palindrome (32436355363423).

The spelling of 21313232132111 in words is "twenty-one trillion, three hundred thirteen billion, two hundred thirty-two million, one hundred thirty-two thousand, one hundred eleven".

Divisors: 1 17 1657 28169 756620119 12862542023 1253719537183 21313232132111