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5312386945 = 51062477389
BaseRepresentation
bin1001111001010010…
…01001011110000001
3111201020012012220001
410330221021132001
541334432340240
62235050520001
7245434354405
oct47451113601
914636165801
105312386945
112286781a38
121043136001
136687a5838
1438577b105
152115b089a
hex13ca49781

5312386945 has 4 divisors (see below), whose sum is σ = 6374864340. Its totient is φ = 4249909552.

The previous prime is 5312386931. The next prime is 5312386973. The reversal of 5312386945 is 5496832135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2418377329 + 2894009616 = 49177^2 + 53796^2 .

It is a cyclic number.

It is not a de Polignac number, because 5312386945 - 25 = 5312386913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5312386895 and 5312386904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531238690 + ... + 531238699.

It is an arithmetic number, because the mean of its divisors is an integer number (1593716085).

Almost surely, 25312386945 is an apocalyptic number.

It is an amenable number.

5312386945 is a deficient number, since it is larger than the sum of its proper divisors (1062477395).

5312386945 is a wasteful number, since it uses less digits than its factorization.

5312386945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062477394.

The product of its digits is 777600, while the sum is 46.

The square root of 5312386945 is about 72886.1231305384. The cubic root of 5312386945 is about 1744.8706340552.

The spelling of 5312386945 in words is "five billion, three hundred twelve million, three hundred eighty-six thousand, nine hundred forty-five".

Divisors: 1 5 1062477389 5312386945