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23945705497 = 732711045801
BaseRepresentation
bin10110010011010001…
…100111100000011001
32021210211001212122101
4112103101213200121
5343020100033442
615000035323401
71505253065320
oct262321474031
967724055571
1023945705497
11a1787a9a5a
124783450561
132347c9930c
1412323450b7
15952368cb7
hex593467819

23945705497 has 8 divisors (see below), whose sum is σ = 27374913152. Its totient is φ = 20518596000.

The previous prime is 23945705479. The next prime is 23945705501. The reversal of 23945705497 is 79450754932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23945705497 - 27 = 23945705369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23945705297) 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, 500004 + ... + 545797.

It is an arithmetic number, because the mean of its divisors is an integer number (3421864144).

Almost surely, 223945705497 is an apocalyptic number.

It is an amenable number.

23945705497 is a deficient number, since it is larger than the sum of its proper divisors (3429207655).

23945705497 is a wasteful number, since it uses less digits than its factorization.

23945705497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049079.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 23945705497 in words is "twenty-three billion, nine hundred forty-five million, seven hundred five thousand, four hundred ninety-seven".

Divisors: 1 7 3271 22897 1045801 7320607 3420815071 23945705497