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23003384749 = 231210782609
BaseRepresentation
bin10101011011000110…
…111100101110101101
32012101010221000120221
4111123012330232231
5334102331302444
614322334211341
71443021354442
oct253306745655
965333830527
1023003384749
1198348a1484
12455b953b51
1322279a5987
14118312d9c9
158e977ca84
hex55b1bcbad

23003384749 has 8 divisors (see below), whose sum is σ = 24005805120. Its totient is φ = 22001153856.

The previous prime is 23003384741. The next prime is 23003384821. The reversal of 23003384749 is 94748330032.

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 23003384749 - 23 = 23003384741 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 (23003384741) 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, 237157 + ... + 319765.

It is an arithmetic number, because the mean of its divisors is an integer number (3000725640).

Almost surely, 223003384749 is an apocalyptic number.

It is an amenable number.

23003384749 is a deficient number, since it is larger than the sum of its proper divisors (1002420371).

23003384749 is a wasteful number, since it uses less digits than its factorization.

23003384749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94739.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 23003384749 in words is "twenty-three billion, three million, three hundred eighty-four thousand, seven hundred forty-nine".

Divisors: 1 23 12107 82609 278461 1900007 1000147163 23003384749