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23305324405 = 511761556811
BaseRepresentation
bin10101101101000110…
…110000011101110101
32020011012002010221011
4111231012300131311
5340212130340110
614412321552221
71453345663126
oct255506603565
966135063834
1023305324405
11997a280190
124624aa5671
1322754025ac
1411b128a04d
1591602148a
hex56d1b0775

23305324405 has 16 divisors (see below), whose sum is σ = 30548933568. Its totient is φ = 16927024000.

The previous prime is 23305324391. The next prime is 23305324411. The reversal of 23305324405 is 50442350332.

It is not a de Polignac number, because 23305324405 - 217 = 23305193333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 236551 + ... + 320260.

It is an arithmetic number, because the mean of its divisors is an integer number (1909308348).

Almost surely, 223305324405 is an apocalyptic number.

It is an amenable number.

23305324405 is a deficient number, since it is larger than the sum of its proper divisors (7243609163).

23305324405 is a wasteful number, since it uses less digits than its factorization.

23305324405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557588.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 23305324405 its reverse (50442350332), we get a palindrome (73747674737).

The spelling of 23305324405 in words is "twenty-three billion, three hundred five million, three hundred twenty-four thousand, four hundred five".

Divisors: 1 5 11 55 761 3805 8371 41855 556811 2784055 6124921 30624605 423733171 2118665855 4661064881 23305324405