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30430200423 = 3716767312893
BaseRepresentation
bin11100010101110010…
…000000001001100111
32220112201210100102010
4130111302000021213
5444310112403143
621551320445303
72125042302330
oct342562001147
986481710363
1030430200423
11119a6066a77
125a93019833
132b3c54b96c
141689631287
15bd17a5a33
hex715c80267

30430200423 has 32 divisors (see below), whose sum is σ = 46720429056. Its totient is φ = 17257540608.

The previous prime is 30430200407. The next prime is 30430200433. The reversal of 30430200423 is 32400203403.

It is not a de Polignac number, because 30430200423 - 24 = 30430200407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30430200423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430200433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2353765 + ... + 2366657.

It is an arithmetic number, because the mean of its divisors is an integer number (1460013408).

Almost surely, 230430200423 is an apocalyptic number.

30430200423 is a deficient number, since it is larger than the sum of its proper divisors (16290228633).

30430200423 is a wasteful number, since it uses less digits than its factorization.

30430200423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13743.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 30430200423 its reverse (32400203403), we get a palindrome (62830403826).

The spelling of 30430200423 in words is "thirty billion, four hundred thirty million, two hundred thousand, four hundred twenty-three".

Divisors: 1 3 7 21 167 501 673 1169 2019 3507 4711 12893 14133 38679 90251 112391 270753 337173 786737 2153131 2360211 6459393 8676989 15071917 26030967 45215751 60738923 182216769 1449057163 4347171489 10143400141 30430200423