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28085461701 = 3114130016917
BaseRepresentation
bin11010001010000001…
…100010001011000101
32200111022202021120020
4122022001202023011
5430004334233301
620522520525353
72012661325353
oct321201421305
980438667506
1028085461701
1110a02569080
125539920859
1328578410bb
1415060787d3
15ae59e8436
hex68a0622c5

28085461701 has 32 divisors (see below), whose sum is σ = 41867957376. Its totient is φ = 16598400000.

The previous prime is 28085461681. The next prime is 28085461709. The reversal of 28085461701 is 10716458082.

It is not a de Polignac number, because 28085461701 - 213 = 28085453509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28085461709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4056895 + ... + 4063811.

It is an arithmetic number, because the mean of its divisors is an integer number (1308373668).

Almost surely, 228085461701 is an apocalyptic number.

It is an amenable number.

28085461701 is a deficient number, since it is larger than the sum of its proper divisors (13782495675).

28085461701 is a wasteful number, since it uses less digits than its factorization.

28085461701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 28085461701 in words is "twenty-eight billion, eighty-five million, four hundred sixty-one thousand, seven hundred one".

Divisors: 1 3 11 33 41 123 451 1353 3001 6917 9003 20751 33011 76087 99033 123041 228261 283597 369123 850791 1353451 3119567 4060353 9358701 20757917 62273751 228337087 685011261 851074597 2553223791 9361820567 28085461701