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20302032111 = 317398079061
BaseRepresentation
bin10010111010000110…
…000110110011101111
31221101212212002102020
4102322012012303233
5313034310011421
613154315001223
71316050265664
oct227206066357
957355762366
1020302032111
118678a71239
123b27139213
131bb713766a
14da8467a6b
157dc52bdc6
hex4ba186cef

20302032111 has 8 divisors (see below), whose sum is σ = 28661692464. Its totient is φ = 12738529920.

The previous prime is 20302032067. The next prime is 20302032143. The reversal of 20302032111 is 11123020302.

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

It is not a de Polignac number, because 20302032111 - 213 = 20302023919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302032161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199039480 + ... + 199039581.

It is an arithmetic number, because the mean of its divisors is an integer number (3582711558).

Almost surely, 220302032111 is an apocalyptic number.

20302032111 is a deficient number, since it is larger than the sum of its proper divisors (8359660353).

20302032111 is a wasteful number, since it uses less digits than its factorization.

20302032111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398079081.

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

Adding to 20302032111 its reverse (11123020302), we get a palindrome (31425052413).

The spelling of 20302032111 in words is "twenty billion, three hundred two million, thirty-two thousand, one hundred eleven".

Divisors: 1 3 17 51 398079061 1194237183 6767344037 20302032111