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23130221303 = 789187919759
BaseRepresentation
bin10101100010101010…
…110010101011110111
32012200222120222122002
4111202222302223313
5334332314040203
614343104525515
71446121431350
oct254252625367
965628528562
1023130221303
11989a452682
12459632089b
1322480545a7
141195d08d27
15905983d88
hex562ab2af7

23130221303 has 16 divisors (see below), whose sum is σ = 26747136000. Its totient is φ = 19591716672.

The previous prime is 23130221297. The next prime is 23130221321. The reversal of 23130221303 is 30312203132.

It is not a de Polignac number, because 23130221303 - 24 = 23130221287 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 (23130221333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160738 + ... + 1180496.

It is an arithmetic number, because the mean of its divisors is an integer number (1671696000).

Almost surely, 223130221303 is an apocalyptic number.

23130221303 is a deficient number, since it is larger than the sum of its proper divisors (3616914697).

23130221303 is a wasteful number, since it uses less digits than its factorization.

23130221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21734.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23130221303 its reverse (30312203132), we get a palindrome (53442424435).

The spelling of 23130221303 in words is "twenty-three billion, one hundred thirty million, two hundred twenty-one thousand, three hundred three".

Divisors: 1 7 89 623 1879 13153 19759 138313 167231 1170617 1758551 12309857 37127161 259890127 3304317329 23130221303