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103311040505 = 520839919447
BaseRepresentation
bin110000000110111010…
…0010101111111111001
3100212122220221121221112
41200031310111333321
53143040111244010
6115243242050105
710315100232551
oct1401564257771
9325586847845
10103311040505
113a8a5430912
12180327a9935
1399857890ca
145000ab2161
152a49c6da05
hex180dd15ff9

103311040505 has 8 divisors (see below), whose sum is σ = 124032777792. Its totient is φ = 82609146288.

The previous prime is 103311040453. The next prime is 103311040513. The reversal of 103311040505 is 505040113301.

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 103311040505 - 220 = 103309991929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4949309 + ... + 4970138.

It is an arithmetic number, because the mean of its divisors is an integer number (15504097224).

Almost surely, 2103311040505 is an apocalyptic number.

It is an amenable number.

103311040505 is a deficient number, since it is larger than the sum of its proper divisors (20721737287).

103311040505 is an equidigital number, since it uses as much as digits as its factorization.

103311040505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921535.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 103311040505 its reverse (505040113301), we get a palindrome (608351153806).

The spelling of 103311040505 in words is "one hundred three billion, three hundred eleven million, forty thousand, five hundred five".

Divisors: 1 5 2083 10415 9919447 49597235 20662208101 103311040505