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21335542014 = 233555923669
BaseRepresentation
bin10011110111101100…
…101000100011111110
32001001220120211110210
4103313230220203332
5322143344321024
613445034413250
71353500054253
oct236754504376
961056524423
1021335542014
1190593a2556
124175291226
1320202a8297
14106581942a
1584d12c129
hex4f7b288fe

21335542014 has 8 divisors (see below), whose sum is σ = 42671084040. Its totient is φ = 7111847336.

The previous prime is 21335542013. The next prime is 21335542031. The reversal of 21335542014 is 41024553312.

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

21335542014 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21335542013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777961829 + ... + 1777961840.

It is an arithmetic number, because the mean of its divisors is an integer number (5333885505).

Almost surely, 221335542014 is an apocalyptic number.

21335542014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21335542014 is a wasteful number, since it uses less digits than its factorization.

21335542014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555923674.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 21335542014 in words is "twenty-one billion, three hundred thirty-five million, five hundred forty-two thousand, fourteen".

Divisors: 1 2 3 6 3555923669 7111847338 10667771007 21335542014