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80008302553 = 311257261423
BaseRepresentation
bin100101010000011011…
…1011100111111011001
321122111220201212221221
41022200313130333121
52302324111140203
6100431051332041
75531452231204
oct1124067347731
9248456655857
1080008302553
1130a276679a3
121360a751021
137710a80b7a
143c2dcda93b
1521340adabd
hex12a0ddcfd9

80008302553 has 4 divisors (see below), whose sum is σ = 80265564288. Its totient is φ = 79751040820.

The previous prime is 80008302551. The next prime is 80008302559. The reversal of 80008302553 is 35520380008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80008302553 - 21 = 80008302551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80008302551) 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, 128630401 + ... + 128631022.

It is an arithmetic number, because the mean of its divisors is an integer number (20066391072).

Almost surely, 280008302553 is an apocalyptic number.

It is an amenable number.

80008302553 is a deficient number, since it is larger than the sum of its proper divisors (257261735).

80008302553 is a wasteful number, since it uses less digits than its factorization.

80008302553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257261734.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 80008302553 in words is "eighty billion, eight million, three hundred two thousand, five hundred fifty-three".

Divisors: 1 311 257261423 80008302553