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21332130311 = 471014493813
BaseRepresentation
bin10011110111011111…
…100111101000000111
32001001200011111111102
4103313133213220013
5322142011132221
613444433330315
71353426054512
oct236737475007
961050144442
1021332130311
119057482268
12417410699b
13201c68241b
1410651abd79
1584cba630b
hex4f77e7a07

21332130311 has 8 divisors (see below), whose sum is σ = 22001713344. Its totient is φ = 20671535200.

The previous prime is 21332130307. The next prime is 21332130341. The reversal of 21332130311 is 11303123312.

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 21332130311 - 22 = 21332130307 is a prime.

It is a super-3 number, since 3×213321303113 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332130341) 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, 2242160 + ... + 2251653.

It is an arithmetic number, because the mean of its divisors is an integer number (2750214168).

Almost surely, 221332130311 is an apocalyptic number.

21332130311 is a deficient number, since it is larger than the sum of its proper divisors (669583033).

21332130311 is a wasteful number, since it uses less digits than its factorization.

21332130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493961.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21332130311 its reverse (11303123312), we get a palindrome (32635253623).

The spelling of 21332130311 in words is "twenty-one billion, three hundred thirty-two million, one hundred thirty thousand, three hundred eleven".

Divisors: 1 47 101 4747 4493813 211209211 453875113 21332130311