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20321000241 = 37195403757
BaseRepresentation
bin10010111011001110…
…011101101100110001
31221110012112202210120
4102323032131230301
5313104134001431
613200233320453
71316400436443
oct227316355461
957405482716
1020321000241
118688747283
123b31566129
131bbb0491c9
14daaba4493
157de027196
hex4bb39db31

20321000241 has 8 divisors (see below), whose sum is σ = 27476282304. Its totient is φ = 13356525840.

The previous prime is 20321000233. The next prime is 20321000261. The reversal of 20321000241 is 14200012302.

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

It is not a de Polignac number, because 20321000241 - 23 = 20321000233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20321000241.

It is not an unprimeable number, because it can be changed into a prime (20321000261) 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, 47701666 + ... + 47702091.

It is an arithmetic number, because the mean of its divisors is an integer number (3434535288).

Almost surely, 220321000241 is an apocalyptic number.

It is an amenable number.

20321000241 is a deficient number, since it is larger than the sum of its proper divisors (7155282063).

20321000241 is an equidigital number, since it uses as much as digits as its factorization.

20321000241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95403831.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20321000241 its reverse (14200012302), we get a palindrome (34521012543).

The spelling of 20321000241 in words is "twenty billion, three hundred twenty-one million, two hundred forty-one", and thus it is an aban number.

Divisors: 1 3 71 213 95403757 286211271 6773666747 20321000241