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8141490993 = 32713830331
BaseRepresentation
bin1111001010100010…
…10100101100110001
3210000101122121001110
413211101110230301
5113133210202433
63423512223533
7405516350226
oct74521245461
923011577043
108141490993
1134a8728759
1216b269aba9
139c9952cbc
145733b994d
15329b48963
hex1e5454b31

8141490993 has 4 divisors (see below), whose sum is σ = 10855321328. Its totient is φ = 5427660660.

The previous prime is 8141490983. The next prime is 8141491019. The reversal of 8141490993 is 3990941418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8141490993 - 210 = 8141489969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8141490983) 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, 1356915163 + ... + 1356915168.

It is an arithmetic number, because the mean of its divisors is an integer number (2713830332).

Almost surely, 28141490993 is an apocalyptic number.

It is an amenable number.

8141490993 is a deficient number, since it is larger than the sum of its proper divisors (2713830335).

8141490993 is a wasteful number, since it uses less digits than its factorization.

8141490993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713830334.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 8141490993 is about 90230.2110880829. The cubic root of 8141490993 is about 2011.7220782988.

The spelling of 8141490993 in words is "eight billion, one hundred forty-one million, four hundred ninety thousand, nine hundred ninety-three".

Divisors: 1 3 2713830331 8141490993