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230820032543 = 297959311467
BaseRepresentation
bin1101011011110111110…
…0100011000000011111
3211001210020121120001012
43112331330203000133
512240204412020133
6254012014205435
722450635622202
oct3267574430037
9731706546035
10230820032543
1189987988881
12388991b387b
13189c655c319
14b2593cb939
15600e080b48
hex35bdf2301f

230820032543 has 4 divisors (see below), whose sum is σ = 238779344040. Its totient is φ = 222860721048.

The previous prime is 230820032453. The next prime is 230820032551. The reversal of 230820032543 is 345230028032.

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 230820032543 - 214 = 230820016159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230820031543) 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, 3979655705 + ... + 3979655762.

It is an arithmetic number, because the mean of its divisors is an integer number (59694836010).

Almost surely, 2230820032543 is an apocalyptic number.

230820032543 is a deficient number, since it is larger than the sum of its proper divisors (7959311497).

230820032543 is an equidigital number, since it uses as much as digits as its factorization.

230820032543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7959311496.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 230820032543 in words is "two hundred thirty billion, eight hundred twenty million, thirty-two thousand, five hundred forty-three".

Divisors: 1 29 7959311467 230820032543