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20300435270 = 255077399851
BaseRepresentation
bin10010111010000000…
…000000111101000110
31221101202211221221222
4102322000000331012
5313033402412040
613154220440342
71316030565323
oct227200007506
957352757858
1020300435270
118678080535
123b266a90b2
131bb69c889b
14da816db4a
157dc313bb5
hex4ba000f46

20300435270 has 16 divisors (see below), whose sum is σ = 36548072208. Its totient is φ = 8118554400.

The previous prime is 20300435209. The next prime is 20300435273. The reversal of 20300435270 is 7253400302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300435273) 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, 149156 + ... + 250695.

It is an arithmetic number, because the mean of its divisors is an integer number (2284254513).

Almost surely, 220300435270 is an apocalyptic number.

20300435270 is a deficient number, since it is larger than the sum of its proper divisors (16247636938).

20300435270 is a wasteful number, since it uses less digits than its factorization.

20300435270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404935.

The product of its (nonzero) digits is 5040, while the sum is 26.

Adding to 20300435270 its reverse (7253400302), we get a palindrome (27553835572).

The spelling of 20300435270 in words is "twenty billion, three hundred million, four hundred thirty-five thousand, two hundred seventy".

Divisors: 1 2 5 10 5077 10154 25385 50770 399851 799702 1999255 3998510 2030043527 4060087054 10150217635 20300435270