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2248315742185 = 5449663148437
BaseRepresentation
bin100000101101111010000…
…011111010011111101001
321221221021222201112201021
4200231322003322133221
5243314022312222220
64440510105052441
7321302234326132
oct40557203723751
97857258645637
102248315742185
11797561694227
123038a4487121
131340276c90b6
147ab67716c89
153d73d0024aa
hex20b7a0fa7e9

2248315742185 has 4 divisors (see below), whose sum is σ = 2697978890628. Its totient is φ = 1798652593744.

The previous prime is 2248315742171. The next prime is 2248315742201. The reversal of 2248315742185 is 5812475138422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 527989703641 + 1720326038544 = 726629^2 + 1311612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2248315742185 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224831574214 + ... + 224831574223.

It is an arithmetic number, because the mean of its divisors is an integer number (674494722657).

Almost surely, 22248315742185 is an apocalyptic number.

It is an amenable number.

2248315742185 is a deficient number, since it is larger than the sum of its proper divisors (449663148443).

2248315742185 is an equidigital number, since it uses as much as digits as its factorization.

2248315742185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449663148442.

The product of its digits is 4300800, while the sum is 52.

The spelling of 2248315742185 in words is "two trillion, two hundred forty-eight billion, three hundred fifteen million, seven hundred forty-two thousand, one hundred eighty-five".

Divisors: 1 5 449663148437 2248315742185