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21230037411 = 311643334467
BaseRepresentation
bin10011110001011010…
…001010100110100011
32000210120001122100220
4103301122022212203
5321434342144121
613430345214123
71351046224542
oct236132124643
960716048326
1021230037411
119004891370
124145a91343
13200448811b
1410557d4159
15843c3b6c6
hex4f168a9a3

21230037411 has 8 divisors (see below), whose sum is σ = 30880054464. Its totient is φ = 12866689320.

The previous prime is 21230037407. The next prime is 21230037487. The reversal of 21230037411 is 11473003212.

It is a happy number.

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

It is not a de Polignac number, because 21230037411 - 22 = 21230037407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21230037811) 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, 321667201 + ... + 321667266.

It is an arithmetic number, because the mean of its divisors is an integer number (3860006808).

Almost surely, 221230037411 is an apocalyptic number.

21230037411 is a deficient number, since it is larger than the sum of its proper divisors (9650017053).

21230037411 is a wasteful number, since it uses less digits than its factorization.

21230037411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643334481.

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 21230037411 in words is "twenty-one billion, two hundred thirty million, thirty-seven thousand, four hundred eleven".

Divisors: 1 3 11 33 643334467 1930003401 7076679137 21230037411