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28418862814 = 214209431407
BaseRepresentation
bin11010011101111001…
…010110111011011110
32201100120002210220121
4122131321112323132
5431200212102224
621015550505154
72024150230306
oct323571267336
981316083817
1028418862814
1111063786291
1256115051ba
1328ab934c74
141538464606
15b14e03be4
hex69de56ede

28418862814 has 4 divisors (see below), whose sum is σ = 42628294224. Its totient is φ = 14209431406.

The previous prime is 28418862809. The next prime is 28418862907. The reversal of 28418862814 is 41826881482.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7104715702 + ... + 7104715705.

It is an arithmetic number, because the mean of its divisors is an integer number (10657073556).

Almost surely, 228418862814 is an apocalyptic number.

28418862814 is a deficient number, since it is larger than the sum of its proper divisors (14209431410).

28418862814 is a wasteful number, since it uses less digits than its factorization.

28418862814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14209431409.

The product of its digits is 1572864, while the sum is 52.

The spelling of 28418862814 in words is "twenty-eight billion, four hundred eighteen million, eight hundred sixty-two thousand, eight hundred fourteen".

Divisors: 1 2 14209431407 28418862814