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68202342338 = 2132623167013
BaseRepresentation
bin111111100001001011…
…010010011111000010
320112001010201222011012
4333201023102133002
52104134244423323
651155352520522
74633055226134
oct774113223702
9215033658135
1068202342338
1126a19498289
12112749b0142
13657bb977b0
14342dd8d054
151b928bb678
hexfe12d27c2

68202342338 has 8 divisors (see below), whose sum is σ = 110173014588. Its totient is φ = 31478004144.

The previous prime is 68202342337. The next prime is 68202342343. The reversal of 68202342338 is 83324320286.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57136775089 + 11065567249 = 239033^2 + 105193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 68202342295 and 68202342304.

It is not an unprimeable number, because it can be changed into a prime (68202342337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311583481 + ... + 1311583532.

Almost surely, 268202342338 is an apocalyptic number.

68202342338 is a deficient number, since it is larger than the sum of its proper divisors (41970672250).

68202342338 is a wasteful number, since it uses less digits than its factorization.

68202342338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623167028.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 68202342338 in words is "sixty-eight billion, two hundred two million, three hundred forty-two thousand, three hundred thirty-eight".

Divisors: 1 2 13 26 2623167013 5246334026 34101171169 68202342338