Search a number
-
+
80508603531 = 326899979993
BaseRepresentation
bin100101011111010101…
…1111100110010001011
321200210210010210212210
41022332223330302023
52304340200303111
6100552442440203
75550035560506
oct1127653746213
9250723123783
1080508603531
113116400a484
121372a203063
13779060cc55
143c7a53013d
152162e860a6
hex12beafcc8b

80508603531 has 8 divisors (see below), whose sum is σ = 107384735440. Its totient is φ = 53652436992.

The previous prime is 80508603529. The next prime is 80508603533. The reversal of 80508603531 is 13530680508.

It is an interprime number because it is at equal distance from previous prime (80508603529) and next prime (80508603533).

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

It is not a de Polignac number, because 80508603531 - 21 = 80508603529 is a prime.

It is a super-2 number, since 2×805086035312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80508603531.

It is not an unprimeable number, because it can be changed into a prime (80508603533) 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, 4981930 + ... + 4998063.

It is an arithmetic number, because the mean of its divisors is an integer number (13423091930).

Almost surely, 280508603531 is an apocalyptic number.

80508603531 is a deficient number, since it is larger than the sum of its proper divisors (26876131909).

80508603531 is a wasteful number, since it uses less digits than its factorization.

80508603531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9982685.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 80508603531 in words is "eighty billion, five hundred eight million, six hundred three thousand, five hundred thirty-one".

Divisors: 1 3 2689 8067 9979993 29939979 26836201177 80508603531