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43025290969 = 52378215637
BaseRepresentation
bin101000000100100000…
…011101011011011001
311010001111200020112011
4220010200131123121
51201103433302334
631433205145521
73052130640043
oct500440353331
9133044606464
1043025290969
1117279722a11
1284090bb2a1
134098a8056b
1421222b8a93
1511bc3c4564
hexa0481d6d9

43025290969 has 4 divisors (see below), whose sum is σ = 43033511844. Its totient is φ = 43017070096.

The previous prime is 43025290963. The next prime is 43025290993. The reversal of 43025290969 is 96909252034.

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 41173279744 + 1852011225 = 202912^2 + 43035^2 .

It is a cyclic number.

It is not a de Polignac number, because 43025290969 - 29 = 43025290457 is a prime.

It is a super-2 number, since 2×430252909692 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43025290963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4102582 + ... + 4113055.

It is an arithmetic number, because the mean of its divisors is an integer number (10758377961).

Almost surely, 243025290969 is an apocalyptic number.

It is an amenable number.

43025290969 is a deficient number, since it is larger than the sum of its proper divisors (8220875).

43025290969 is an equidigital number, since it uses as much as digits as its factorization.

43025290969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220874.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 43025290969 in words is "forty-three billion, twenty-five million, two hundred ninety thousand, nine hundred sixty-nine".

Divisors: 1 5237 8215637 43025290969