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21041476213 = 61499691267
BaseRepresentation
bin10011100110001010…
…110111001001110101
32000022102020202000211
4103212022313021311
5321043104214323
613355531505421
71343266411462
oct234612671165
960272222024
1021041476213
118a1840156a
1240b28b8271
131ca43a7554
14103874c669
158323e170d
hex4e62b7275

21041476213 has 8 divisors (see below), whose sum is σ = 21429308000. Its totient is φ = 20655028080.

The previous prime is 21041476171. The next prime is 21041476237. The reversal of 21041476213 is 31267414012.

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 21041476213 - 29 = 21041475701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041476513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315195 + ... + 376072.

It is an arithmetic number, because the mean of its divisors is an integer number (2678663500).

Almost surely, 221041476213 is an apocalyptic number.

It is an amenable number.

21041476213 is a deficient number, since it is larger than the sum of its proper divisors (387831787).

21041476213 is an equidigital number, since it uses as much as digits as its factorization.

21041476213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691827.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 21041476213 in words is "twenty-one billion, forty-one million, four hundred seventy-six thousand, two hundred thirteen".

Divisors: 1 61 499 30439 691267 42167287 344942233 21041476213