Search a number
-
+
80080088887 = 731278637697
BaseRepresentation
bin100101010010100100…
…1010010111100110111
321122200220211000022001
41022211021102330313
52303001000321022
6100442134120131
75533313344621
oct1124511227467
9248626730261
1080080088887
1130a64139047
121362a7b0047
1377228c67a6
143c39665c11
15213a53db27
hex12a5252f37

80080088887 has 8 divisors (see below), whose sum is σ = 81816275456. Its totient is φ = 78361178112.

The previous prime is 80080088807. The next prime is 80080088903. The reversal of 80080088887 is 78888008008.

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 80080088887 - 219 = 80079564599 is a prime.

It is a super-2 number, since 2×800800888872 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80080088807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4309578 + ... + 4328119.

It is an arithmetic number, because the mean of its divisors is an integer number (10227034432).

Almost surely, 280080088887 is an apocalyptic number.

80080088887 is a deficient number, since it is larger than the sum of its proper divisors (1736186569).

80080088887 is a wasteful number, since it uses less digits than its factorization.

80080088887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637897.

The product of its (nonzero) digits is 1835008, while the sum is 55.

The spelling of 80080088887 in words is "eighty billion, eighty million, eighty-eight thousand, eight hundred eighty-seven".

Divisors: 1 73 127 9271 8637697 630551881 1096987519 80080088887