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23051330221 = 434363122869
BaseRepresentation
bin10101011101111101…
…110110001010101101
32012111111010220102011
4111131331312022231
5334202120031341
614331210001221
71444143034243
oct253575661255
965444126364
1023051330221
119859969637
124573a16211
1322348c1b8a
141189650793
158eda9db81
hex55df762ad

23051330221 has 8 divisors (see below), whose sum is σ = 23593005920. Its totient is φ = 22509909072.

The previous prime is 23051330209. The next prime is 23051330257. The reversal of 23051330221 is 12203315032.

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 23051330221 - 211 = 23051328173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23051330192 and 23051330201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23051330201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126175 + ... + 249043.

It is an arithmetic number, because the mean of its divisors is an integer number (2949125740).

Almost surely, 223051330221 is an apocalyptic number.

It is an amenable number.

23051330221 is a deficient number, since it is larger than the sum of its proper divisors (541675699).

23051330221 is a wasteful number, since it uses less digits than its factorization.

23051330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127275.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 23051330221 its reverse (12203315032), we get a palindrome (35254645253).

The spelling of 23051330221 in words is "twenty-three billion, fifty-one million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 43 4363 122869 187609 5283367 536077447 23051330221