Search a number
-
+
102305450449 = 2341108489343
BaseRepresentation
bin101111101000111100…
…0010100100111010001
3100210001211202100201101
41133101320110213101
53134010143403244
6114555400504401
710251136660246
oct1372170244721
9323054670641
10102305450449
113a42983a154
12179b1a7b101
1398553426c7
144d4730b5cd
1529db8360d4
hex17d1e149d1

102305450449 has 8 divisors (see below), whose sum is σ = 109357258752. Its totient is φ = 95470620960.

The previous prime is 102305450411. The next prime is 102305450473. The reversal of 102305450449 is 944054503201.

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 102305450449 - 29 = 102305449937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102305453449) 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, 54243729 + ... + 54245614.

It is an arithmetic number, because the mean of its divisors is an integer number (13669657344).

Almost surely, 2102305450449 is an apocalyptic number.

It is an amenable number.

102305450449 is a deficient number, since it is larger than the sum of its proper divisors (7051808303).

102305450449 is a wasteful number, since it uses less digits than its factorization.

102305450449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108489407.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 102305450449 in words is "one hundred two billion, three hundred five million, four hundred fifty thousand, four hundred forty-nine".

Divisors: 1 23 41 943 108489343 2495254889 4448063063 102305450449