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230428642433 = 1120948058403
BaseRepresentation
bin1101011010011010011…
…1100000110010000001
3211000202222010212202012
43112212213200302001
512233404213024213
6253505113302305
722435144100153
oct3264647406201
9730688125665
10230428642433
11897a6a63680
12387aa104995
1318963443942
14b21d428ad3
155ed9a1d4a8
hex35a69e0c81

230428642433 has 4 divisors (see below), whose sum is σ = 251376700848. Its totient is φ = 209480584020.

The previous prime is 230428642417. The next prime is 230428642481. The reversal of 230428642433 is 334246824032.

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 230428642433 - 24 = 230428642417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230428642333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10474029191 + ... + 10474029212.

It is an arithmetic number, because the mean of its divisors is an integer number (62844175212).

Almost surely, 2230428642433 is an apocalyptic number.

It is an amenable number.

230428642433 is a deficient number, since it is larger than the sum of its proper divisors (20948058415).

230428642433 is a wasteful number, since it uses less digits than its factorization.

230428642433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20948058414.

The product of its (nonzero) digits is 663552, while the sum is 41.

The spelling of 230428642433 in words is "two hundred thirty billion, four hundred twenty-eight million, six hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 11 20948058403 230428642433