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32130233321 = 84433805547
BaseRepresentation
bin11101111011000111…
…000111001111101001
310001221012200222010112
4131323013013033221
51011300314431241
622432130224105
72215134322424
oct357307071751
9101835628115
1032130233321
111269875193a
126288425035
13305080a1a4
1417ab3249bb
15c80b641eb
hex77b1c73e9

32130233321 has 4 divisors (see below), whose sum is σ = 32134047312. Its totient is φ = 32126419332.

The previous prime is 32130233299. The next prime is 32130233327. The reversal of 32130233321 is 12333203123.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12333203123 = 27744524199.

It is a cyclic number.

It is not a de Polignac number, because 32130233321 - 210 = 32130232297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32130233327) 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, 1894331 + ... + 1911216.

It is an arithmetic number, because the mean of its divisors is an integer number (8033511828).

Almost surely, 232130233321 is an apocalyptic number.

It is an amenable number.

32130233321 is a deficient number, since it is larger than the sum of its proper divisors (3813991).

32130233321 is an equidigital number, since it uses as much as digits as its factorization.

32130233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813990.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 32130233321 its reverse (12333203123), we get a palindrome (44463436444).

The spelling of 32130233321 in words is "thirty-two billion, one hundred thirty million, two hundred thirty-three thousand, three hundred twenty-one".

Divisors: 1 8443 3805547 32130233321