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21301035027 = 39397755597
BaseRepresentation
bin10011110101101001…
…000000000000010011
32000222111122200210020
4103311221000000103
5322111031110102
613441403034523
71352600544636
oct236551000023
960874580706
1021301035027
119040973988
12416580ba43
1320160b5a4c
141060dd5c1d
1584a0b2bbc
hex4f5a40013

21301035027 has 8 divisors (see below), whose sum is σ = 28404440016. Its totient is φ = 14199160032.

The previous prime is 21301034987. The next prime is 21301035029. The reversal of 21301035027 is 72053010312.

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

It is not a de Polignac number, because 21301035027 - 27 = 21301034899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21301034988 and 21301035006.

It is not an unprimeable number, because it can be changed into a prime (21301035029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349608 + ... + 405989.

It is an arithmetic number, because the mean of its divisors is an integer number (3550555002).

Almost surely, 221301035027 is an apocalyptic number.

21301035027 is a deficient number, since it is larger than the sum of its proper divisors (7103404989).

21301035027 is an equidigital number, since it uses as much as digits as its factorization.

21301035027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764997.

The product of its (nonzero) digits is 1260, while the sum is 24.

Adding to 21301035027 its reverse (72053010312), we get a palindrome (93354045339).

The spelling of 21301035027 in words is "twenty-one billion, three hundred one million, thirty-five thousand, twenty-seven".

Divisors: 1 3 9397 28191 755597 2266791 7100345009 21301035027