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233124440221 = 2319751450991
BaseRepresentation
bin1101100100011101001…
…1001010100010011101
3211021201211202121002201
43121013103022202131
512304414324041341
6255032413451501
722562020022011
oct3310723124235
9737654677081
10233124440221
118a95a73a432
1239220aa0b91
1318ca2ab876a
14b3d7486541
1560e6523331
hex36474ca89d

233124440221 has 8 divisors (see below), whose sum is σ = 244495113984. Its totient is φ = 221856668880.

The previous prime is 233124440207. The next prime is 233124440279. The reversal of 233124440221 is 122044421332.

233124440221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 233124440221 - 213 = 233124432029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233124440221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233124440321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25720965 + ... + 25730026.

It is an arithmetic number, because the mean of its divisors is an integer number (30561889248).

Almost surely, 2233124440221 is an apocalyptic number.

It is an amenable number.

233124440221 is a deficient number, since it is larger than the sum of its proper divisors (11370673763).

233124440221 is a wasteful number, since it uses less digits than its factorization.

233124440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51451211.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 233124440221 its reverse (122044421332), we get a palindrome (355168861553).

The spelling of 233124440221 in words is "two hundred thirty-three billion, one hundred twenty-four million, four hundred forty thousand, two hundred twenty-one".

Divisors: 1 23 197 4531 51450991 1183372793 10135845227 233124440221