Search a number
-
+
73886488275625 = 543438292
BaseRepresentation
bin10000110011001100001001…
…111000110010101010101001
3100200121110221101222102010221
4100303030021320302222221
534141024011444310000
6421050552323210041
721364060025635204
oct2063141170625251
9320543841872127
1073886488275625
11215a70a1462133
128353843516921
13322c6098c250c
1414361a745093b
15881e5543261a
hex433309e32aa9

73886488275625 has 15 divisors (see below), whose sum is σ = 92328824280451. Its totient is φ = 59109018706000.

The previous prime is 73886488275583. The next prime is 73886488275647. The reversal of 73886488275625 is 52657288468837.

The square root of 73886488275625 is 8595725.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 70342892862489 + 3543595413136 = 8387067^2 + 1882444^2 .

It is not a de Polignac number, because 73886488275625 - 27 = 73886488275497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 214721211 + ... + 215065039.

Almost surely, 273886488275625 is an apocalyptic number.

73886488275625 is the 8595725-th square number.

73886488275625 is the 4297863-rd centered octagonal number.

It is an amenable number.

73886488275625 is a deficient number, since it is larger than the sum of its proper divisors (18442336004826).

73886488275625 is an frugal number, since it uses more digits than its factorization.

73886488275625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687678 (or 343834 counting only the distinct ones).

The product of its digits is 8670412800, while the sum is 79.

The spelling of 73886488275625 in words is "seventy-three trillion, eight hundred eighty-six billion, four hundred eighty-eight million, two hundred seventy-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 343829 1719145 8595725 42978625 214893125 118218381241 591091906205 2955459531025 14777297655125 73886488275625