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20301100066 = 213780811541
BaseRepresentation
bin10010111010000010…
…100011010000100010
31221101211002201220001
4102322002203100202
5313034040200231
613154243010214
71316036334442
oct227202432042
957354081801
1020301100066
118678494a55
123b2696996a
131bb6b9c360
14da82a4122
157dc3e5b61
hex4ba0a3422

20301100066 has 8 divisors (see below), whose sum is σ = 32794084764. Its totient is φ = 9369738480.

The previous prime is 20301100063. The next prime is 20301100067. The reversal of 20301100066 is 66000110302.

It can be written as a sum of positive squares in 2 ways, for example, as 20072939041 + 228161025 = 141679^2 + 15105^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20301100063) 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 3 ways as a sum of consecutive naturals, for example, 390405745 + ... + 390405796.

Almost surely, 220301100066 is an apocalyptic number.

20301100066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20301100066 is a deficient number, since it is larger than the sum of its proper divisors (12492984698).

20301100066 is a wasteful number, since it uses less digits than its factorization.

20301100066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780811556.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20301100066 its reverse (66000110302), we get a palindrome (86301210368).

The spelling of 20301100066 in words is "twenty billion, three hundred one million, one hundred thousand, sixty-six".

Divisors: 1 2 13 26 780811541 1561623082 10150550033 20301100066