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30432200243 = 231817310161
BaseRepresentation
bin11100010101111001…
…101000011000110011
32220112212112221122112
4130111321220120303
5444311120401433
621551431355535
72125065301604
oct342571503063
986485487575
1030432200243
11119a7202515
125a93822bab
132b3ca9bca3
1416899d1dab
15bd1a4d348
hex715e68633

30432200243 has 8 divisors (see below), whose sum is σ = 31930787616. Its totient is φ = 28948233600.

The previous prime is 30432200203. The next prime is 30432200317. The reversal of 30432200243 is 34200223403.

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

It is a cyclic number.

It is not a de Polignac number, because 30432200243 - 26 = 30432200179 is a prime.

It is a super-2 number, since 2×304322002432 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30432200203) 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, 3650918 + ... + 3659243.

It is an arithmetic number, because the mean of its divisors is an integer number (3991348452).

Almost surely, 230432200243 is an apocalyptic number.

30432200243 is a deficient number, since it is larger than the sum of its proper divisors (1498587373).

30432200243 is a wasteful number, since it uses less digits than its factorization.

30432200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7310365.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 30432200243 its reverse (34200223403), we get a palindrome (64632423646).

The spelling of 30432200243 in words is "thirty billion, four hundred thirty-two million, two hundred thousand, two hundred forty-three".

Divisors: 1 23 181 4163 7310161 168133703 1323139141 30432200243