Search a number
-
+
80780004067 = 775773152297
BaseRepresentation
bin100101100111011011…
…1010000101011100011
321201111200211101102111
41023032313100223203
52310414140112232
6101035415500151
75556542463640
oct1131667205343
9251450741374
1080780004067
113129322a744
12137a5087657
137804906399
143ca45badc7
15217bbe6047
hex12cedd0ae3

80780004067 has 8 divisors (see below), whose sum is σ = 92321829216. Its totient is φ = 69238635072.

The previous prime is 80780004037. The next prime is 80780004079. The reversal of 80780004067 is 76040008708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80780004067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80780004017) 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, 454263 + ... + 606559.

It is an arithmetic number, because the mean of its divisors is an integer number (11540228652).

Almost surely, 280780004067 is an apocalyptic number.

80780004067 is a deficient number, since it is larger than the sum of its proper divisors (11541825149).

80780004067 is a wasteful number, since it uses less digits than its factorization.

80780004067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228077.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 80780004067 in words is "eighty billion, seven hundred eighty million, four thousand, sixty-seven".

Divisors: 1 7 75773 152297 530411 1066079 11540000581 80780004067