Search a number
-
+
80585316637040 = 2451007316457963
BaseRepresentation
bin10010010100101010111011…
…001011000001100101110000
3101120022212210021100221210102
4102110222323023001211300
541030302212024341130
6443220214451251532
722655045161340105
oct2224527313014560
9346285707327712
1080585316637040
112374a04a428826
129055b835a9ba8
1335c7216747c77
1415c84c8ab8aac
1594b32068a645
hex494abb2c1970

80585316637040 has 20 divisors (see below), whose sum is σ = 187360861181304. Its totient is φ = 32234126654784.

The previous prime is 80585316636991. The next prime is 80585316637081. The reversal of 80585316637040 is 4073661358508.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503658228902 + ... + 503658229061.

Almost surely, 280585316637040 is an apocalyptic number.

80585316637040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80585316637040 is an abundant number, since it is smaller than the sum of its proper divisors (106775544544264).

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

80585316637040 is a wasteful number, since it uses less digits than its factorization.

80585316637040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007316457976 (or 1007316457970 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 80585316637040 in words is "eighty trillion, five hundred eighty-five billion, three hundred sixteen million, six hundred thirty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1007316457963 2014632915926 4029265831852 5036582289815 8058531663704 10073164579630 16117063327408 20146329159260 40292658318520 80585316637040