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1343513123 = 19231271443
BaseRepresentation
bin101000000010100…
…0110001000100011
310110122001112112022
41100011012020203
510222414404443
6341152052055
745202446611
oct12005061043
93418045468
101343513123
1162a418327
12315b3402b
131854618a4
14ca60a6b1
157ce37e68
hex50146223

1343513123 has 24 divisors (see below), whose sum is σ = 1472403456. Its totient is φ = 1224428400.

The previous prime is 1343513107. The next prime is 1343513141. The reversal of 1343513123 is 3213153431.

It is not a de Polignac number, because 1343513123 - 24 = 1343513107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343513092 and 1343513101.

It is not an unprimeable number, because it can be changed into a prime (1343513153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3032540 + ... + 3032982.

It is an arithmetic number, because the mean of its divisors is an integer number (61350144).

Almost surely, 21343513123 is an apocalyptic number.

1343513123 is a deficient number, since it is larger than the sum of its proper divisors (128890333).

1343513123 is a wasteful number, since it uses less digits than its factorization.

1343513123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 764 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 1343513123 is about 36653.9646286728. The cubic root of 1343513123 is about 1103.4363948618.

Adding to 1343513123 its reverse (3213153431), we get a palindrome (4556666554).

The spelling of 1343513123 in words is "one billion, three hundred forty-three million, five hundred thirteen thousand, one hundred twenty-three".

Divisors: 1 19 31 271 361 443 589 5149 8401 8417 11191 13733 97831 120053 159619 159923 260927 2281007 3032761 3721643 4957613 43339133 70711217 1343513123