Search a number
-
+
80010000101 = 358122342921
BaseRepresentation
bin100101010000011110…
…1111011011011100101
321122112000221010120002
41022200331323123211
52302330030000401
6100431151551045
75531502531263
oct1124075733345
9248460833502
1080010000101
1130a28617329
121360b22b485
137711226735
143c3021d433
1521342e6a6b
hex12a0f7b6e5

80010000101 has 4 divisors (see below), whose sum is σ = 80032346604. Its totient is φ = 79987653600.

The previous prime is 80010000089. The next prime is 80010000137. The reversal of 80010000101 is 10100001008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68460199201 + 11549800900 = 261649^2 + 107470^2 .

It is a cyclic number.

It is not a de Polignac number, because 80010000101 - 214 = 80009983717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80010000401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11167880 + ... + 11175041.

It is an arithmetic number, because the mean of its divisors is an integer number (20008086651).

Almost surely, 280010000101 is an apocalyptic number.

It is an amenable number.

80010000101 is a deficient number, since it is larger than the sum of its proper divisors (22346503).

80010000101 is a wasteful number, since it uses less digits than its factorization.

80010000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22346502.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 80010000101 its reverse (10100001008), we get a palindrome (90110001109).

The spelling of 80010000101 in words is "eighty billion, ten million, one hundred one", and thus it is an aban number.

Divisors: 1 3581 22342921 80010000101