Search a number
-
+
80006248680 = 2335666718739
BaseRepresentation
bin100101010000010111…
…1100111100011101000
321122111202212112120120
41022200233213203220
52302323044424210
6100430535323240
75531425615221
oct1124057474350
9248452775516
1080006248680
1130a26494886
1213609b20520
137710512067
143c2d924248
152133d05270
hex12a0be78e8

80006248680 has 32 divisors (see below), whose sum is σ = 240018746400. Its totient is φ = 21334999616.

The previous prime is 80006248643. The next prime is 80006248687. The reversal of 80006248680 is 8684260008.

It is not an unprimeable number, because it can be changed into a prime (80006248687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333359250 + ... + 333359489.

It is an arithmetic number, because the mean of its divisors is an integer number (7500585825).

Almost surely, 280006248680 is an apocalyptic number.

It is an amenable number.

80006248680 is an abundant number, since it is smaller than the sum of its proper divisors (160012497720).

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

80006248680 is a wasteful number, since it uses less digits than its factorization.

80006248680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666718753 (or 666718749 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 80006248680 in words is "eighty billion, six million, two hundred forty-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 666718739 1333437478 2000156217 2666874956 3333593695 4000312434 5333749912 6667187390 8000624868 10000781085 13334374780 16001249736 20001562170 26668749560 40003124340 80006248680