Search a number
-
+
80021308435 = 544269361523
BaseRepresentation
bin100101010000110100…
…1000100010000010011
321122112211012122200021
41022201221010100103
52302340423332220
6100432234204311
75532000620215
oct1124151042023
9248484178607
1080021308435
1130a33a40462
1213612b83697
137713685963
143c319245b5
1521352cc4aa
hex12a1a44413

80021308435 has 8 divisors (see below), whose sum is σ = 96028004880. Its totient is φ = 64015423584.

The previous prime is 80021308403. The next prime is 80021308439. The reversal of 80021308435 is 53480312008.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80021308435 - 25 = 80021308403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80021308435.

It is not an unprimeable number, because it can be changed into a prime (80021308439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40584 + ... + 402106.

It is an arithmetic number, because the mean of its divisors is an integer number (12003500610).

Almost surely, 280021308435 is an apocalyptic number.

80021308435 is a deficient number, since it is larger than the sum of its proper divisors (16006696445).

80021308435 is a wasteful number, since it uses less digits than its factorization.

80021308435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405797.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 80021308435 in words is "eighty billion, twenty-one million, three hundred eight thousand, four hundred thirty-five".

Divisors: 1 5 44269 221345 361523 1807615 16004261687 80021308435