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28730371468 = 227182592867
BaseRepresentation
bin11010110000011101…
…101010110110001100
32202011021021002110011
4122300131222312030
5432314433341333
621110515323004
72034652061641
oct326035526614
982137232404
1028730371468
1111203600357
1256998b0464
13292b332206
141567991dc8
15b324379cd
hex6b076ad8c

28730371468 has 6 divisors (see below), whose sum is σ = 50278150076. Its totient is φ = 14365185732.

The previous prime is 28730371429. The next prime is 28730371469. The reversal of 28730371468 is 86417303782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28730371469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3591296430 + ... + 3591296437.

Almost surely, 228730371468 is an apocalyptic number.

It is an amenable number.

28730371468 is a deficient number, since it is larger than the sum of its proper divisors (21547778608).

28730371468 is a wasteful number, since it uses less digits than its factorization.

28730371468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182592871 (or 7182592869 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

It can be divided in two parts, 287303714 and 68, that added together give a palindrome (287303782).

The spelling of 28730371468 in words is "twenty-eight billion, seven hundred thirty million, three hundred seventy-one thousand, four hundred sixty-eight".

Divisors: 1 2 4 7182592867 14365185734 28730371468