Search a number
-
+
28574283245808 = 2431487234002727
BaseRepresentation
bin1100111111100111110000…
…00000001010100011110000
310202011200012221002111021210
412133303320000022203300
512221130113002331213
6140434502225120120
76006265243053336
oct637637000124360
9122150187074253
1028574283245808
119117315a64803
123255a79789040
1312c370a974881
1470b00753bb56
153484390b50c3
hex19fcf800a8f0

28574283245808 has 40 divisors (see below), whose sum is σ = 73817413164928. Its totient is φ = 9524694658752.

The previous prime is 28574283245789. The next prime is 28574283245821. The reversal of 28574283245808 is 80854238247582.

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, 5137341 + ... + 9140067.

Almost surely, 228574283245808 is an apocalyptic number.

It is an amenable number.

28574283245808 is an abundant number, since it is smaller than the sum of its proper divisors (45243129919120).

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

28574283245808 is a wasteful number, since it uses less digits than its factorization.

28574283245808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151461 (or 4151455 counting only the distinct ones).

The product of its (nonzero) digits is 275251200, while the sum is 66.

The spelling of 28574283245808 in words is "twenty-eight trillion, five hundred seventy-four billion, two hundred eighty-three million, two hundred forty-five thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 148723 297446 446169 594892 892338 1189784 1784676 2379568 3569352 4002727 7138704 8005454 12008181 16010908 24016362 32021816 48032724 64043632 96065448 192130896 595297567621 1190595135242 1785892702863 2381190270484 3571785405726 4762380540968 7143570811452 9524761081936 14287141622904 28574283245808