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20211111230030 = 257288730160429
BaseRepresentation
bin1001001100001110001000…
…00110101111101001001110
32122120011102002111011022022
410212013010012233221032
510122114323433330110
6110552504544250142
74154130114615350
oct446070406575116
978504362434268
1020211111230030
116492536428876
122325070310952
13b37b905a3726
144dc319cc50d0
15250b0da1b755
hex1261c41afa4e

20211111230030 has 16 divisors (see below), whose sum is σ = 41577143101920. Its totient is φ = 6929523850272.

The previous prime is 20211111230017. The next prime is 20211111230033. The reversal of 20211111230030 is 3003211111202.

It is a junction number, because it is equal to n+sod(n) for n = 20211111229990 and 20211111230008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211111230033) 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, 144365080145 + ... + 144365080284.

It is an arithmetic number, because the mean of its divisors is an integer number (2598571443870).

Almost surely, 220211111230030 is an apocalyptic number.

20211111230030 is an abundant number, since it is smaller than the sum of its proper divisors (21366031871890).

20211111230030 is a wasteful number, since it uses less digits than its factorization.

20211111230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288730160443.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20211111230030 its reverse (3003211111202), we get a palindrome (23214322341232).

The spelling of 20211111230030 in words is "twenty trillion, two hundred eleven billion, one hundred eleven million, two hundred thirty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 288730160429 577460320858 1443650802145 2021111123003 2887301604290 4042222246006 10105555615015 20211111230030