Search a number
-
+
80805138483 = 333724872
BaseRepresentation
bin100101101000001011…
…1001001000000110011
321201120110010100100210
41023100113021000303
52310442103412413
6101042114315203
75560266226056
oct1132027110063
9251513110323
1080805138483
11312a6437593
12137b1588b03
137809b96814
143ca7a80a9d
15217e00d3c3
hex12d05c9033

80805138483 has 18 divisors (see below), whose sum is σ = 108283183596. Its totient is φ = 53599952448.

The previous prime is 80805138467. The next prime is 80805138487. The reversal of 80805138483 is 38483150808.

It is not a de Polignac number, because 80805138483 - 24 = 80805138467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80805138487) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 165924066 + ... + 165924552.

It is an arithmetic number, because the mean of its divisors is an integer number (6015732422).

Almost surely, 280805138483 is an apocalyptic number.

80805138483 is a deficient number, since it is larger than the sum of its proper divisors (27478045113).

80805138483 is an frugal number, since it uses more digits than its factorization.

80805138483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

Multiplying 80805138483 by its sum of digits (48), we get a square (3878646647184 = 19694282).

The spelling of 80805138483 in words is "eighty billion, eight hundred five million, one hundred thirty-eight thousand, four hundred eighty-three".

Divisors: 1 3 337 487 1011 1461 113569 164119 237169 340707 492357 711507 55308103 79925953 165924309 239777859 26935046161 80805138483