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5031566649 = 321181473381
BaseRepresentation
bin1001010111110011…
…11001110100111001
3110222122210001212100
410223321321310321
540301040113044
62151135534013
7235454416344
oct45371716471
913878701770
105031566649
11215220854a
12b8508a309
13622561995
1435a35b45b
151e6ade869
hex12be79d39

5031566649 has 12 divisors (see below), whose sum is σ = 7273987812. Its totient is φ = 3351530400.

The previous prime is 5031566629. The next prime is 5031566677. The reversal of 5031566649 is 9466651305.

It can be written as a sum of positive squares in 2 ways, for example, as 3798503424 + 1233063225 = 61632^2 + 35115^2 .

It is not a de Polignac number, because 5031566649 - 227 = 4897348921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5031566629) 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, 226062 + ... + 247319.

It is an arithmetic number, because the mean of its divisors is an integer number (606165651).

Almost surely, 25031566649 is an apocalyptic number.

It is an amenable number.

5031566649 is a deficient number, since it is larger than the sum of its proper divisors (2242421163).

5031566649 is a wasteful number, since it uses less digits than its factorization.

5031566649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474568 (or 474565 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 5031566649 is about 70933.5368425965. The cubic root of 5031566649 is about 1713.5669475552.

It can be divided in two parts, 50315 and 66649, that added together give a square (116964 = 3422).

The spelling of 5031566649 in words is "five billion, thirty-one million, five hundred sixty-six thousand, six hundred forty-nine".

Divisors: 1 3 9 1181 3543 10629 473381 1420143 4260429 559062961 1677188883 5031566649