Search a number
-
+
28034279870448 = 2431673497290403
BaseRepresentation
bin1100101111111001111010…
…10010110000111111110000
310200021001101011110202102110
412113330331102300333300
512133303201121323243
6135342434222445320
75622260406104325
oct627747522607760
9120231334422373
1028034279870448
118a292a9153315
123189293733840
13128480cb620b7
146ccc1b50cb4c
1533938152ee33
hex197f3d4b0ff0

28034279870448 has 40 divisors (see below), whose sum is σ = 72855553696128. Its totient is φ = 9288803307712.

The previous prime is 28034279870419. The next prime is 28034279870461. The reversal of 28034279870448 is 84407897243082.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748637186 + ... + 1748653217.

Almost surely, 228034279870448 is an apocalyptic number.

It is an amenable number.

28034279870448 is an abundant number, since it is smaller than the sum of its proper divisors (44821273825680).

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

28034279870448 is a wasteful number, since it uses less digits than its factorization.

28034279870448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497290581 (or 3497290575 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 66.

The spelling of 28034279870448 in words is "twenty-eight trillion, thirty-four billion, two hundred seventy-nine million, eight hundred seventy thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 167 334 501 668 1002 1336 2004 2672 4008 8016 3497290403 6994580806 10491871209 13989161612 20983742418 27978323224 41967484836 55956646448 83934969672 167869939344 584047497301 1168094994602 1752142491903 2336189989204 3504284983806 4672379978408 7008569967612 9344759956816 14017139935224 28034279870448