Search a number
-
+
80407466737685 = 516081493347537
BaseRepresentation
bin10010010010000101010010…
…011111100000000000010101
3101112200212201121101222010222
4102102011102133200000111
541014343442441101220
6443002402534524125
722636150661211023
oct2222052237400025
9345625647358128
1080407466737685
112369068483402a
129027609b06645
1335b35123b3729
1415bda5668b713
159468b1ae3e25
hex4921527e0015

80407466737685 has 4 divisors (see below), whose sum is σ = 96488960085228. Its totient is φ = 64325973390144.

The previous prime is 80407466737679. The next prime is 80407466737699. The reversal of 80407466737685 is 58673766470408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38904572446609 + 41502894291076 = 6237353^2 + 6442274^2 .

It is a cyclic number.

It is not a de Polignac number, because 80407466737685 - 218 = 80407466475541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8040746673764 + ... + 8040746673773.

It is an arithmetic number, because the mean of its divisors is an integer number (24122240021307).

Almost surely, 280407466737685 is an apocalyptic number.

It is an amenable number.

80407466737685 is a deficient number, since it is larger than the sum of its proper divisors (16081493347543).

80407466737685 is a wasteful number, since it uses less digits than its factorization.

80407466737685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16081493347542.

The product of its (nonzero) digits is 1137991680, while the sum is 71.

The spelling of 80407466737685 in words is "eighty trillion, four hundred seven billion, four hundred sixty-six million, seven hundred thirty-seven thousand, six hundred eighty-five".

Divisors: 1 5 16081493347537 80407466737685