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28814074149 = 374597298477
BaseRepresentation
bin11010110101011100…
…111110000100100101
32202101002202121221110
4122311130332010211
5433002400333044
621123105335233
72040016406040
oct326534760445
982332677843
1028814074149
1111246880423
125701937519
13294278aa23
141574b3dc57
15b3996d6b9
hex6b573e125

28814074149 has 16 divisors (see below), whose sum is σ = 43916859008. Its totient is φ = 16461548352.

The previous prime is 28814074141. The next prime is 28814074189. The reversal of 28814074149 is 94147041882.

It is not a de Polignac number, because 28814074149 - 23 = 28814074141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28814074098 and 28814074107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28814074141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 52702 + ... + 245775.

It is an arithmetic number, because the mean of its divisors is an integer number (2744803688).

Almost surely, 228814074149 is an apocalyptic number.

It is an amenable number.

28814074149 is a deficient number, since it is larger than the sum of its proper divisors (15102784859).

28814074149 is a wasteful number, since it uses less digits than its factorization.

28814074149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303084.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 28814074149 in words is "twenty-eight billion, eight hundred fourteen million, seventy-four thousand, one hundred forty-nine".

Divisors: 1 3 7 21 4597 13791 32179 96537 298477 895431 2089339 6268017 1372098769 4116296307 9604691383 28814074149