Search a number
-
+
21021033120014 = 211031919527377
BaseRepresentation
bin1001100011110010101110…
…01101100100000100001110
32202102120221221102010121202
410301321113031210010032
510223402033434320024
6112412532421225502
74266501540240344
oct461712715440416
982376857363552
1021021033120014
116774a741a7344
122436025562292
13b96375cbc505
145295cdc79994
15266c12ddcbae
hex131e5736410e

21021033120014 has 8 divisors (see below), whose sum is σ = 31531581571728. Its totient is φ = 10510505929440.

The previous prime is 21021033120001. The next prime is 21021033120091. The reversal of 21021033120014 is 41002133012012.

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

It is a congruent number.

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, 2557307 + ... + 6970070.

It is an arithmetic number, because the mean of its divisors is an integer number (3941447696466).

Almost surely, 221021033120014 is an apocalyptic number.

21021033120014 is a deficient number, since it is larger than the sum of its proper divisors (10510548451714).

21021033120014 is a wasteful number, since it uses less digits than its factorization.

21021033120014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10630570.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21021033120014 its reverse (41002133012012), we get a palindrome (62023166132026).

The spelling of 21021033120014 in words is "twenty-one trillion, twenty-one billion, thirty-three million, one hundred twenty thousand, fourteen".

Divisors: 1 2 1103191 2206382 9527377 19054754 10510516560007 21021033120014