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28403714814261 = 3377334819100673
BaseRepresentation
bin1100111010101010000010…
…10101001111000100110101
310201120100221201111101200020
412131111001111033010311
512210331301443024021
6140224253023435353
75661046350236343
oct635250125170465
9121510851441606
1028403714814261
119060a475905a6
1232289b6755b59
1312b05c7025a77
14702a661b8993
15343ca48d57c6
hex19d54154f135

28403714814261 has 32 divisors (see below), whose sum is σ = 39429511712640. Its totient is φ = 18170944856064.

The previous prime is 28403714814253. The next prime is 28403714814289. The reversal of 28403714814261 is 16241841730482.

It is not a de Polignac number, because 28403714814261 - 23 = 28403714814253 is a prime.

It is a super-2 number, since 2×284037148142612 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28403714814221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282088021 + ... + 282188693.

It is an arithmetic number, because the mean of its divisors is an integer number (1232172241020).

Almost surely, 228403714814261 is an apocalyptic number.

It is an amenable number.

28403714814261 is a deficient number, since it is larger than the sum of its proper divisors (11025796898379).

28403714814261 is a wasteful number, since it uses less digits than its factorization.

28403714814261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135605.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 28403714814261 in words is "twenty-eight trillion, four hundred three billion, seven hundred fourteen million, eight hundred fourteen thousand, two hundred sixty-one".

Divisors: 1 3 37 73 111 219 2701 8103 34819 100673 104457 302019 1288303 2541787 3724901 3864909 7349129 7625361 11174703 22047387 94046119 271917773 282138357 815753319 3505333187 10515999561 129697327919 255889322651 389091983757 767667967953 9467904938087 28403714814261