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21433442411 = 317433156151
BaseRepresentation
bin10011111101100010…
…000110000001101011
32001022201210200120102
4103331202012001223
5322343430124121
613502453020015
71356066153203
oct237542060153
961281720512
1021433442411
1190a968a577
1241a202460b
132037665204
141074821403
15856a1990b
hex4fd88606b

21433442411 has 8 divisors (see below), whose sum is σ = 21550849824. Its totient is φ = 21316348800.

The previous prime is 21433442341. The next prime is 21433442417. The reversal of 21433442411 is 11424433412.

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 21433442411 - 234 = 4253573227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21433442417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59186 + ... + 215336.

It is an arithmetic number, because the mean of its divisors is an integer number (2693856228).

Almost surely, 221433442411 is an apocalyptic number.

21433442411 is a deficient number, since it is larger than the sum of its proper divisors (117407413).

21433442411 is a wasteful number, since it uses less digits than its factorization.

21433442411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156901.

The product of its digits is 9216, while the sum is 29.

Adding to 21433442411 its reverse (11424433412), we get a palindrome (32857875823).

The spelling of 21433442411 in words is "twenty-one billion, four hundred thirty-three million, four hundred forty-two thousand, four hundred eleven".

Divisors: 1 317 433 137261 156151 49499867 67613383 21433442411