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1310205323 = 74735911093
BaseRepresentation
bin100111000011000…
…0010010110001011
310101022101022211002
41032012002112023
510140403032243
6334002125215
744316363410
oct11606022613
93338338732
101310205323
11612638719
1230695080b
1317b59c12b
14c601a107
157a058eb8
hex4e18258b

1310205323 has 16 divisors (see below), whose sum is σ = 1533634560. Its totient is φ = 1095978336.

The previous prime is 1310205311. The next prime is 1310205331. The reversal of 1310205323 is 3235020131.

It is not a de Polignac number, because 1310205323 - 28 = 1310205067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310205295 and 1310205304.

It is not an unprimeable number, because it can be changed into a prime (1310205353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112565 + ... + 123657.

It is an arithmetic number, because the mean of its divisors is an integer number (95852160).

Almost surely, 21310205323 is an apocalyptic number.

1310205323 is a deficient number, since it is larger than the sum of its proper divisors (223429237).

1310205323 is a wasteful number, since it uses less digits than its factorization.

1310205323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11506.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1310205323 is about 36196.7584598400. The cubic root of 1310205323 is about 1094.2413440715.

Adding to 1310205323 its reverse (3235020131), we get a palindrome (4545225454).

The spelling of 1310205323 in words is "one billion, three hundred ten million, two hundred five thousand, three hundred twenty-three".

Divisors: 1 7 47 329 359 2513 11093 16873 77651 118111 521371 3649597 3982387 27876709 187172189 1310205323