Search a number
-
+
80173769789108 = 2220043442447277
BaseRepresentation
bin10010001110101011101001…
…000100011000111010110100
3101111212112111212100221020002
4102032223221010120322310
541002031340031222413
6442303153230130432
722613235520010312
oct2216535104307264
9344775455327202
1080173769789108
1123600560a136a6
128baa269350a18
13359747ab06738
1415b26071770b2
159407851d3958
hex48eae9118eb4

80173769789108 has 6 divisors (see below), whose sum is σ = 140304097130946. Its totient is φ = 40086884894552.

The previous prime is 80173769789051. The next prime is 80173769789177. The reversal of 80173769789108 is 80198796737108.

It can be written as a sum of positive squares in only one way, i.e., 48323797147024 + 31849972642084 = 6951532^2 + 5643578^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021721223635 + ... + 10021721223642.

It is an arithmetic number, because the mean of its divisors is an integer number (23384016188491).

Almost surely, 280173769789108 is an apocalyptic number.

It is an amenable number.

80173769789108 is a deficient number, since it is larger than the sum of its proper divisors (60130327341838).

80173769789108 is a wasteful number, since it uses less digits than its factorization.

80173769789108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20043442447281 (or 20043442447279 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 74.

The spelling of 80173769789108 in words is "eighty trillion, one hundred seventy-three billion, seven hundred sixty-nine million, seven hundred eighty-nine thousand, one hundred eight".

Divisors: 1 2 4 20043442447277 40086884894554 80173769789108