Search a number
-
+
80035680784 = 2423217488263
BaseRepresentation
bin100101010001001111…
…1111001001000010000
321122120211020211211111
41022202133321020100
52302403113241114
6100433510223104
75532234030133
oct1124237711020
9248524224744
1080035680784
1130a41067634
1213617954a94
1377166486c7
143c337c621a
1521366babc4
hex12a27f9210

80035680784 has 20 divisors (see below), whose sum is σ = 161811268416. Its totient is φ = 38277934112.

The previous prime is 80035680737. The next prime is 80035680799. The reversal of 80035680784 is 48708653008.

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, 108743764 + ... + 108744499.

Almost surely, 280035680784 is an apocalyptic number.

It is an amenable number.

80035680784 is an abundant number, since it is smaller than the sum of its proper divisors (81775587632).

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

80035680784 is a wasteful number, since it uses less digits than its factorization.

80035680784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217488294 (or 217488288 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 80035680784 in words is "eighty billion, thirty-five million, six hundred eighty thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 23 46 92 184 368 217488263 434976526 869953052 1739906104 3479812208 5002230049 10004460098 20008920196 40017840392 80035680784