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8049943529 = 9418554669
BaseRepresentation
bin1110111111101000…
…00110001111101001
3202210000101111112122
413133310012033221
5112441241143104
63410442121025
7403325251055
oct73764061751
922700344478
108049943529
113460a8a7a1
121687ab0175
139b39ab8c4
14565188c65
15321ab36be
hex1dfd063e9

8049943529 has 4 divisors (see below), whose sum is σ = 8058499140. Its totient is φ = 8041387920.

The previous prime is 8049943487. The next prime is 8049943549. The reversal of 8049943529 is 9253499408.

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 2626357504 + 5423586025 = 51248^2 + 73645^2 .

It is a cyclic number.

It is not a de Polignac number, because 8049943529 - 232 = 3754976233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8049943549) 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, 4276394 + ... + 4278275.

It is an arithmetic number, because the mean of its divisors is an integer number (2014624785).

Almost surely, 28049943529 is an apocalyptic number.

It is an amenable number.

8049943529 is a deficient number, since it is larger than the sum of its proper divisors (8555611).

8049943529 is an equidigital number, since it uses as much as digits as its factorization.

8049943529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555610.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The square root of 8049943529 is about 89721.4775235005. The cubic root of 8049943529 is about 2004.1533297057.

The spelling of 8049943529 in words is "eight billion, forty-nine million, nine hundred forty-three thousand, five hundred twenty-nine".

Divisors: 1 941 8554669 8049943529