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203230000401 = 367743333467
BaseRepresentation
bin1011110101000101110…
…0111011010100010001
3201102120110002201001220
42331101130323110101
511312203340003101
6233210152115253
720453141333541
oct2752134732421
9642513081056
10203230000401
117920a04531a
1233479395b29
131621a562c0c
149b9d079321
155446ceb636
hex2f5173b511

203230000401 has 4 divisors (see below), whose sum is σ = 270973333872. Its totient is φ = 135486666932.

The previous prime is 203230000349. The next prime is 203230000459. The reversal of 203230000401 is 104000032302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203230000401 - 217 = 203229869329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203230040401) 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, 33871666731 + ... + 33871666736.

It is an arithmetic number, because the mean of its divisors is an integer number (67743333468).

Almost surely, 2203230000401 is an apocalyptic number.

It is an amenable number.

203230000401 is a deficient number, since it is larger than the sum of its proper divisors (67743333471).

203230000401 is an equidigital number, since it uses as much as digits as its factorization.

203230000401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67743333470.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 203230000401 its reverse (104000032302), we get a palindrome (307230032703).

The spelling of 203230000401 in words is "two hundred three billion, two hundred thirty million, four hundred one", and thus it is an aban number.

Divisors: 1 3 67743333467 203230000401