Search a number
-
+
85443274210 = 25721131543133
BaseRepresentation
bin100111110010011010…
…0001110010111100010
322011112200121001110111
41033210310032113202
52344441434233320
6103130241521534
76113235563500
oct1174464162742
9264480531414
1085443274210
1133266556608
12146869432aa
138098a76c28
1441c7a67670
1523512d5a5a
hex13e4d0e5e2

85443274210 has 48 divisors (see below), whose sum is σ = 180491125176. Its totient is φ = 29035571712.

The previous prime is 85443274129. The next prime is 85443274223. The reversal of 85443274210 is 1247234458.

It can be written as a sum of positive squares in 4 ways, for example, as 15062898361 + 70380375849 = 122731^2 + 265293^2 .

It is a super-2 number, since 2×854432742102 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716197 + ... + 826936.

Almost surely, 285443274210 is an apocalyptic number.

85443274210 is an abundant number, since it is smaller than the sum of its proper divisors (95047850966).

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

85443274210 is a wasteful number, since it uses less digits than its factorization.

85443274210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543267 (or 1543260 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 85443274210 in words is "eighty-five billion, four hundred forty-three million, two hundred seventy-four thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 113 226 245 490 565 791 1130 1582 3955 5537 7910 11074 27685 55370 1543133 3086266 7715665 10801931 15431330 21603862 54009655 75613517 108019310 151227034 174374029 348748058 378067585 756135170 871870145 1220618203 1743740290 2441236406 6103091015 8544327421 12206182030 17088654842 42721637105 85443274210