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19091090920282 = 238177250033933
BaseRepresentation
bin1000101011100111111011…
…01100010101001101011010
32111121002102221200021120221
410111303331230111031122
510000242023233422112
6104334154234110254
74010200013224663
oct425637554251532
974532387607527
1019091090920282
1160a0539136847
122183b9387b38a
13a86388b5c434
144a002996a36a
1523190a63be07
hex115cfdb1535a

19091090920282 has 8 divisors (see below), whose sum is σ = 28637386596756. Its totient is φ = 9545295388032.

The previous prime is 19091090920147. The next prime is 19091090920283. The reversal of 19091090920282 is 28202909019091.

It can be written as a sum of positive squares in 2 ways, for example, as 18727507245841 + 363583674441 = 4327529^2 + 602979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (19091090920283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124940613 + ... + 125093320.

Almost surely, 219091090920282 is an apocalyptic number.

19091090920282 is a deficient number, since it is larger than the sum of its proper divisors (9546295676474).

19091090920282 is a wasteful number, since it uses less digits than its factorization.

19091090920282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250072112.

The product of its (nonzero) digits is 419904, while the sum is 52.

The spelling of 19091090920282 in words is "nineteen trillion, ninety-one billion, ninety million, nine hundred twenty thousand, two hundred eighty-two".

Divisors: 1 2 38177 76354 250033933 500067866 9545545460141 19091090920282