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28894174842308 = 2219380186511083
BaseRepresentation
bin1101001000111011100110…
…00001110000110111000100
310210022020220201120022122012
412210131303001300313010
512241400232224423213
6141241444540153352
76041351405550506
oct644356301606704
9123266821508565
1028894174842308
11922aa50479956
1232a7a74838858
13131792a884609
1471c6b23c7d76
1535190cc2a4a8
hex1a4773070dc4

28894174842308 has 12 divisors (see below), whose sum is σ = 53226111551760. Its totient is φ = 13686714398952.

The previous prime is 28894174842287. The next prime is 28894174842331. The reversal of 28894174842308 is 80324847149882.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190093255466 + ... + 190093255617.

It is an arithmetic number, because the mean of its divisors is an integer number (4435509295980).

Almost surely, 228894174842308 is an apocalyptic number.

It is an amenable number.

28894174842308 is a deficient number, since it is larger than the sum of its proper divisors (24331936709452).

28894174842308 is a wasteful number, since it uses less digits than its factorization.

28894174842308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380186511106 (or 380186511104 counting only the distinct ones).

The product of its (nonzero) digits is 198180864, while the sum is 68.

The spelling of 28894174842308 in words is "twenty-eight trillion, eight hundred ninety-four billion, one hundred seventy-four million, eight hundred forty-two thousand, three hundred eight".

Divisors: 1 2 4 19 38 76 380186511083 760373022166 1520746044332 7223543710577 14447087421154 28894174842308