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5656247145 = 335291444763
BaseRepresentation
bin1010100010010001…
…10111101101101001
3112121012020010102000
411101020313231221
543040444402040
62333133001213
7260111210313
oct52110675551
915535203360
105656247145
11244289321a
12111a323209
136c1abc203
143b92ca7b3
15231885130
hex151237b69

5656247145 has 32 divisors (see below), whose sum is σ = 10402300800. Its totient is φ = 2912640192.

The previous prime is 5656247141. The next prime is 5656247159. The reversal of 5656247145 is 5417426565.

5656247145 is a `hidden beast` number, since 5 + 6 + 5 + 624 + 7 + 14 + 5 = 666.

It is not a de Polignac number, because 5656247145 - 22 = 5656247141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5656247145.

It is not an unprimeable number, because it can be changed into a prime (5656247141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718467 + ... + 726296.

It is an arithmetic number, because the mean of its divisors is an integer number (325071900).

Almost surely, 25656247145 is an apocalyptic number.

It is an amenable number.

5656247145 is a deficient number, since it is larger than the sum of its proper divisors (4746053655).

5656247145 is a wasteful number, since it uses less digits than its factorization.

5656247145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444806 (or 1444800 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 5656247145 is about 75208.0258017720. The cubic root of 5656247145 is about 1781.7336920228.

The spelling of 5656247145 in words is "five billion, six hundred fifty-six million, two hundred forty-seven thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 29 45 87 135 145 261 435 783 1305 3915 1444763 4334289 7223815 13002867 21671445 39008601 41898127 65014335 125694381 195043005 209490635 377083143 628471905 1131249429 1885415715 5656247145