Search a number
-
+
80373000073 = 732293480157
BaseRepresentation
bin100101011011010011…
…0101010011110001001
321200110022222102220111
41022312212222132021
52304100442000243
6100531200154321
75543501141242
oct1126646523611
9250408872814
1080373000073
11310a4510603
12136b09089a1
13776b4b1b12
143c66511cc9
1521560ec39d
hex12b69aa789

80373000073 has 8 divisors (see below), whose sum is σ = 81509701448. Its totient is φ = 79237263744.

The previous prime is 80373000053. The next prime is 80373000077. The reversal of 80373000073 is 37000037308.

It can be written as a sum of positive squares in 4 ways, for example, as 10738762384 + 69634237689 = 103628^2 + 263883^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80373000073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80372999999 and 80373000044.

It is not an unprimeable number, because it can be changed into a prime (80373000077) 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, 72690 + ... + 407467.

It is an arithmetic number, because the mean of its divisors is an integer number (10188712681).

Almost surely, 280373000073 is an apocalyptic number.

It is an amenable number.

80373000073 is a deficient number, since it is larger than the sum of its proper divisors (1136701375).

80373000073 is a wasteful number, since it uses less digits than its factorization.

80373000073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482523.

The product of its (nonzero) digits is 10584, while the sum is 31.

The spelling of 80373000073 in words is "eighty billion, three hundred seventy-three million, seventy-three", and thus it is an aban number.

Divisors: 1 73 2293 167389 480157 35051461 1101000001 80373000073