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28914603146 = 21113101100011
BaseRepresentation
bin11010111011011100…
…011101010010001010
32202122002221000210122
4122323130131102022
5433204114300041
621141100143242
72042350033352
oct327334352212
982562830718
1028914603146
11112985a3340
12572b537b22
13295a558240
14158422bb62
15b436c9c4b
hex6bb71d48a

28914603146 has 16 divisors (see below), whose sum is σ = 50954406048. Its totient is φ = 12132001200.

The previous prime is 28914603079. The next prime is 28914603293. The reversal of 28914603146 is 64130641982.

It is a super-3 number, since 3×289146031463 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28914603097 and 28914603106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50549720 + ... + 50550291.

It is an arithmetic number, because the mean of its divisors is an integer number (3184650378).

Almost surely, 228914603146 is an apocalyptic number.

28914603146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28914603146 is a deficient number, since it is larger than the sum of its proper divisors (22039802902).

28914603146 is a wasteful number, since it uses less digits than its factorization.

28914603146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101100037.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 28914603146 in words is "twenty-eight billion, nine hundred fourteen million, six hundred three thousand, one hundred forty-six".

Divisors: 1 2 11 13 22 26 143 286 101100011 202200022 1112100121 1314300143 2224200242 2628600286 14457301573 28914603146