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3133897949 = 72134919777
BaseRepresentation
bin1011101011001011…
…0111110011011101
322002101222111210102
42322302313303131
522404234213244
61234550150445
7140442456500
oct27262676335
98071874712
103133897949
111369004a06
12735652425
133ac3662b0
1421a2dd137
151351e254e
hexbacb7cdd

3133897949 has 12 divisors (see below), whose sum is σ = 3925982844. Its totient is φ = 2479567104.

The previous prime is 3133897939. The next prime is 3133897961. The reversal of 3133897949 is 9497983313.

It can be written as a sum of positive squares in 2 ways, for example, as 1442632324 + 1691265625 = 37982^2 + 41125^2 .

It is not a de Polignac number, because 3133897949 - 24 = 3133897933 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3133897894 and 3133897903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133897919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2459252 + ... + 2460525.

It is an arithmetic number, because the mean of its divisors is an integer number (327165237).

Almost surely, 23133897949 is an apocalyptic number.

It is an amenable number.

3133897949 is a deficient number, since it is larger than the sum of its proper divisors (792084895).

3133897949 is a wasteful number, since it uses less digits than its factorization.

3133897949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919804 (or 4919797 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 56.

The square root of 3133897949 is about 55981.2285413602. The cubic root of 3133897949 is about 1463.3951680858.

The spelling of 3133897949 in words is "three billion, one hundred thirty-three million, eight hundred ninety-seven thousand, nine hundred forty-nine".

Divisors: 1 7 13 49 91 637 4919777 34438439 63957101 241069073 447699707 3133897949