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6415676657 = 131049470461
BaseRepresentation
bin1011111100110011…
…10111010011110001
3121120010020010211222
411332121313103301
5101114403123112
62540342114425
7314662231445
oct57631672361
917503203758
106415676657
1127a2533915
1212b071ba15
137b32389a0
1444c0d4825
15278396372
hex17e6774f1

6415676657 has 8 divisors (see below), whose sum is σ = 6915791400. Its totient is φ = 5916504960.

The previous prime is 6415676593. The next prime is 6415676689. The reversal of 6415676657 is 7566765146.

6415676657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1489882801 + 4925793856 = 38599^2 + 70184^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6415676657 - 26 = 6415676593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6415676599 and 6415676608.

It is not an unprimeable number, because it can be changed into a prime (6415676357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221594 + ... + 248867.

It is an arithmetic number, because the mean of its divisors is an integer number (864473925).

Almost surely, 26415676657 is an apocalyptic number.

It is an amenable number.

6415676657 is a deficient number, since it is larger than the sum of its proper divisors (500114743).

6415676657 is a wasteful number, since it uses less digits than its factorization.

6415676657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471523.

The product of its digits is 6350400, while the sum is 53.

The square root of 6415676657 is about 80097.9191802134. The cubic root of 6415676657 is about 1858.1502264669.

The spelling of 6415676657 in words is "six billion, four hundred fifteen million, six hundred seventy-six thousand, six hundred fifty-seven".

Divisors: 1 13 1049 13637 470461 6115993 493513589 6415676657