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20300034111 = 372806934439
BaseRepresentation
bin10010111001111110…
…011111000000111111
31221101202002120200020
4102321332133000333
5313033302042421
613154204103223
71316024304630
oct227176370077
957352076606
1020300034111
1186779270a5
123b26534b13
131bb68b8106
14da80a7887
157dc284dc6
hex4b9f9f03f

20300034111 has 16 divisors (see below), whose sum is σ = 30935385600. Its totient is φ = 11599269408.

The previous prime is 20300034109. The next prime is 20300034151. The reversal of 20300034111 is 11143000302.

It is not a de Polignac number, because 20300034111 - 21 = 20300034109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300034151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572230 + ... + 606668.

It is an arithmetic number, because the mean of its divisors is an integer number (1933461600).

Almost surely, 220300034111 is an apocalyptic number.

20300034111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20300034111 is a deficient number, since it is larger than the sum of its proper divisors (10635351489).

20300034111 is a wasteful number, since it uses less digits than its factorization.

20300034111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62518.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20300034111 its reverse (11143000302), we get a palindrome (31443034413).

The spelling of 20300034111 in words is "twenty billion, three hundred million, thirty-four thousand, one hundred eleven".

Divisors: 1 3 7 21 28069 34439 84207 103317 196483 241073 589449 723219 966668291 2900004873 6766678037 20300034111