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606400929149 = 3881156248629
BaseRepresentation
bin10001101001100000100…
…11111101110101111101
32010222020010022221120012
420310300103331311331
534413402114213044
61142324324233005
761545115565021
oct10646023756575
92128203287505
10606400929149
1121419a574394
129963653b765
134524cb01752
14214c841a381
1510b91c9e59e
hex8d304fdd7d

606400929149 has 4 divisors (see below), whose sum is σ = 606557181660. Its totient is φ = 606244676640.

The previous prime is 606400929133. The next prime is 606400929217. The reversal of 606400929149 is 941929004606.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 941929004606 = 2470964502303.

It can be written as a sum of positive squares in 2 ways, for example, as 142887780025 + 463513149124 = 378005^2 + 680818^2 .

It is a cyclic number.

It is not a de Polignac number, because 606400929149 - 24 = 606400929133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 606400929097 and 606400929106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606400929119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78120434 + ... + 78128195.

It is an arithmetic number, because the mean of its divisors is an integer number (151639295415).

Almost surely, 2606400929149 is an apocalyptic number.

It is an amenable number.

606400929149 is a deficient number, since it is larger than the sum of its proper divisors (156252511).

606400929149 is a wasteful number, since it uses less digits than its factorization.

606400929149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156252510.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 606400929149 in words is "six hundred six billion, four hundred million, nine hundred twenty-nine thousand, one hundred forty-nine".

Divisors: 1 3881 156248629 606400929149