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6468093823 = 7191099913
BaseRepresentation
bin1100000011000011…
…10100011101111111
3121200202212012200111
412001201310131333
5101221313000243
62545453410451
7316166614252
oct60141643577
917622765614
106468093823
11281a085694
121306199a27
137c105c369
1445505b099
1527cc9c39d
hex18187477f

6468093823 has 4 divisors (see below), whose sum is σ = 6559193808. Its totient is φ = 6376993840.

The previous prime is 6468093817. The next prime is 6468093847. The reversal of 6468093823 is 3283908646.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6468093823 - 217 = 6467962751 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6468093883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45549886 + ... + 45550027.

It is an arithmetic number, because the mean of its divisors is an integer number (1639798452).

Almost surely, 26468093823 is an apocalyptic number.

6468093823 is a deficient number, since it is larger than the sum of its proper divisors (91099985).

6468093823 is an equidigital number, since it uses as much as digits as its factorization.

6468093823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91099984.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The square root of 6468093823 is about 80424.4603525569. The cubic root of 6468093823 is about 1863.1969745173.

The spelling of 6468093823 in words is "six billion, four hundred sixty-eight million, ninety-three thousand, eight hundred twenty-three".

Divisors: 1 71 91099913 6468093823