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21044131014233 = 312381592850377
BaseRepresentation
bin1001100100011101101111…
…11101000010011001011001
32202111210120200011201211102
410302032313331002121121
510224241340014423413
6112431312413241145
74301250120141665
oct462166775023131
982453520151742
1021044131014233
11678384737a118
12243a5b0a931b5
13b985b7435842
1452a78176b8a5
15267615ad8458
hex1323b7f42659

21044131014233 has 8 divisors (see below), whose sum is σ = 21723072783360. Its totient is φ = 20365195422240.

The previous prime is 21044131014229. The next prime is 21044131014281. The reversal of 21044131014233 is 33241013144012.

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 21044131014233 - 22 = 21044131014229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21044131014196 and 21044131014205.

It is not an unprimeable number, because it can be changed into a prime (21044131014133) 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, 5957741 + ... + 8808117.

It is an arithmetic number, because the mean of its divisors is an integer number (2715384097920).

Almost surely, 221044131014233 is an apocalyptic number.

It is an amenable number.

21044131014233 is a deficient number, since it is larger than the sum of its proper divisors (678941769127).

21044131014233 is a wasteful number, since it uses less digits than its factorization.

21044131014233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088567.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21044131014233 its reverse (33241013144012), we get a palindrome (54285144158245).

The spelling of 21044131014233 in words is "twenty-one trillion, forty-four billion, one hundred thirty-one million, fourteen thousand, two hundred thirty-three".

Divisors: 1 31 238159 2850377 7382929 88361687 678842935943 21044131014233