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30432211423 = 35141866003
BaseRepresentation
bin11100010101111001…
…101011000111011111
32220112212120111222121
4130111321223013133
5444311121231143
621551431523411
72125065346315
oct342571530737
986485514877
1030432211423
11119a720a959
125a93829567
132b3caa40c3
1416899d60b5
15bd1a517ed
hex715e6b1df

30432211423 has 4 divisors (see below), whose sum is σ = 30433112568. Its totient is φ = 30431310280.

The previous prime is 30432211391. The next prime is 30432211427. The reversal of 30432211423 is 32411223403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30432211423 - 25 = 30432211391 is a prime.

It is a super-2 number, since 2×304322114232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432211427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397861 + ... + 468142.

It is an arithmetic number, because the mean of its divisors is an integer number (7608278142).

Almost surely, 230432211423 is an apocalyptic number.

30432211423 is a deficient number, since it is larger than the sum of its proper divisors (901145).

30432211423 is an equidigital number, since it uses as much as digits as its factorization.

30432211423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901144.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30432211423 its reverse (32411223403), we get a palindrome (62843434826).

The spelling of 30432211423 in words is "thirty billion, four hundred thirty-two million, two hundred eleven thousand, four hundred twenty-three".

Divisors: 1 35141 866003 30432211423