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7830311341 = 8446392707
BaseRepresentation
bin1110100101011100…
…10001000110101101
3202012201010000211011
413102232101012231
5112014024430331
63332554425221
7365020356016
oct72256210655
922181100734
107830311341
113359008896
121626432211
1397a33c728
14543d3600d
1530c67c3b1
hex1d2b911ad

7830311341 has 4 divisors (see below), whose sum is σ = 7830488512. Its totient is φ = 7830134172.

The previous prime is 7830311329. The next prime is 7830311387. The reversal of 7830311341 is 1431130387.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7830311341 - 223 = 7821922733 is a prime.

It is a super-2 number, since 2×78303113412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7830341341) 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, 38110 + ... + 130816.

It is an arithmetic number, because the mean of its divisors is an integer number (1957622128).

Almost surely, 27830311341 is an apocalyptic number.

It is an amenable number.

7830311341 is a deficient number, since it is larger than the sum of its proper divisors (177171).

7830311341 is an equidigital number, since it uses as much as digits as its factorization.

7830311341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177170.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7830311341 is about 88489.0464464388. The cubic root of 7830311341 is about 1985.7581033319.

The spelling of 7830311341 in words is "seven billion, eight hundred thirty million, three hundred eleven thousand, three hundred forty-one".

Divisors: 1 84463 92707 7830311341