Search a number
-
+
80017731229 = 711483759953
BaseRepresentation
bin100101010000101101…
…1011010111010011101
321122112120110220200011
41022201123122322131
52302334014344404
6100432025403221
75531625331102
oct1124133327235
9248476426604
1080017731229
1130a31a17897
1213611939511
137712a02677
143c31272aa9
152134d22604
hex12a16dae9d

80017731229 has 8 divisors (see below), whose sum is σ = 81199564992. Its totient is φ = 78837420480.

The previous prime is 80017731181. The next prime is 80017731257. The reversal of 80017731229 is 92213771008.

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 a de Polignac number, because none of the positive numbers 2k-80017731229 is a prime.

It is a super-2 number, since 2×800177312292 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80017731191 and 80017731200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80017731289) 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, 274684 + ... + 485269.

It is an arithmetic number, because the mean of its divisors is an integer number (10149945624).

Almost surely, 280017731229 is an apocalyptic number.

It is an amenable number.

80017731229 is a deficient number, since it is larger than the sum of its proper divisors (1181833763).

80017731229 is a wasteful number, since it uses less digits than its factorization.

80017731229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761507.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 80017731229 in words is "eighty billion, seventeen million, seven hundred thirty-one thousand, two hundred twenty-nine".

Divisors: 1 71 1483 105293 759953 53956663 1127010299 80017731229