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281930424102 = 232131119563369
BaseRepresentation
bin1000001101001000101…
…11001101111100100110
3222221201012211110112100
410012210113031330212
514104343142032402
6333303403232530
726240333031135
oct4064427157446
9887635743470
10281930424102
11a96254134a8
1246781b18746
132078037a872
14d9073a391c
15750116071c
hex41a45cdf26

281930424102 has 24 divisors (see below), whose sum is σ = 615512228760. Its totient is φ = 93259427040.

The previous prime is 281930424077. The next prime is 281930424103. The reversal of 281930424102 is 201424039182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281930424103) 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 11 ways as a sum of consecutive naturals, for example, 59779327 + ... + 59784042.

It is an arithmetic number, because the mean of its divisors is an integer number (25646342865).

Almost surely, 2281930424102 is an apocalyptic number.

281930424102 is an abundant number, since it is smaller than the sum of its proper divisors (333581804658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

281930424102 is a wasteful number, since it uses less digits than its factorization.

281930424102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119563508 (or 119563505 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 281930424102 in words is "two hundred eighty-one billion, nine hundred thirty million, four hundred twenty-four thousand, one hundred two".

Divisors: 1 2 3 6 9 18 131 262 393 786 1179 2358 119563369 239126738 358690107 717380214 1076070321 2152140642 15662801339 31325602678 46988404017 93976808034 140965212051 281930424102