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1013430323 = 6689151507
BaseRepresentation
bin111100011001111…
…011100000110011
32121121221121001102
4330121323200303
54033414232243
6244321155015
734054005233
oct7431734063
92547847042
101013430323
11480067224
1224348ba6b
13131c60219
1498845cc3
155de859b8
hex3c67b833

1013430323 has 4 divisors (see below), whose sum is σ = 1013588520. Its totient is φ = 1013272128.

The previous prime is 1013430293. The next prime is 1013430329. The reversal of 1013430323 is 3230343101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3230343101 = 7940890419.

It is a cyclic number.

It is not a de Polignac number, because 1013430323 - 216 = 1013364787 is a prime.

It is a super-3 number, since 3×10134303233 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013430295 and 1013430304.

It is not an unprimeable number, because it can be changed into a prime (1013430329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69065 + ... + 82442.

It is an arithmetic number, because the mean of its divisors is an integer number (253397130).

Almost surely, 21013430323 is an apocalyptic number.

1013430323 is a deficient number, since it is larger than the sum of its proper divisors (158197).

1013430323 is an equidigital number, since it uses as much as digits as its factorization.

1013430323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158196.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1013430323 is about 31834.4204125032. The cubic root of 1013430323 is about 1004.4568810346.

Adding to 1013430323 its reverse (3230343101), we get a palindrome (4243773424).

The spelling of 1013430323 in words is "one billion, thirteen million, four hundred thirty thousand, three hundred twenty-three".

Divisors: 1 6689 151507 1013430323