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23105450132 = 2222325902971
BaseRepresentation
bin10101100001001100…
…010011000010010100
32012122020222110222022
4111201030103002110
5334304443401012
614340421552312
71445401041242
oct254114230224
965566873868
1023105450132
119887473736
124589b75698
132242b905ab
1411928db792
159036de472
hex561313094

23105450132 has 12 divisors (see below), whose sum is σ = 40615860096. Its totient is φ = 11500918680.

The previous prime is 23105450129. The next prime is 23105450161.

It is a happy number.

23105450132 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12950594 + ... + 12952377.

It is an arithmetic number, because the mean of its divisors is an integer number (3384655008).

Almost surely, 223105450132 is an apocalyptic number.

It is an amenable number.

23105450132 is a deficient number, since it is larger than the sum of its proper divisors (17510409964).

23105450132 is a wasteful number, since it uses less digits than its factorization.

23105450132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25903198 (or 25903196 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 23105450132 in words is "twenty-three billion, one hundred five million, four hundred fifty thousand, one hundred thirty-two".

Divisors: 1 2 4 223 446 892 25902971 51805942 103611884 5776362533 11552725066 23105450132