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8140764041 = 17478868473
BaseRepresentation
bin1111001010011101…
…00011001110001001
3210000100021122212022
413211032203032021
5113133013422131
63423444454225
7405510231644
oct74516431611
923010248768
108140764041
1134a8281573
1216b23aa375
139c975a157
1457326aa5b
15329a5337b
hex1e53a3389

8140764041 has 4 divisors (see below), whose sum is σ = 8619632532. Its totient is φ = 7661895552.

The previous prime is 8140764011. The next prime is 8140764059. The reversal of 8140764041 is 1404670418.

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 4405109641 + 3735654400 = 66371^2 + 61120^2 .

It is a cyclic number.

It is not a de Polignac number, because 8140764041 - 26 = 8140763977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8140763992 and 8140764010.

It is not an unprimeable number, because it can be changed into a prime (8140764001) 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 3 ways as a sum of consecutive naturals, for example, 239434220 + ... + 239434253.

It is an arithmetic number, because the mean of its divisors is an integer number (2154908133).

Almost surely, 28140764041 is an apocalyptic number.

It is an amenable number.

8140764041 is a deficient number, since it is larger than the sum of its proper divisors (478868491).

8140764041 is a wasteful number, since it uses less digits than its factorization.

8140764041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478868490.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8140764041 is about 90226.1826799738. The cubic root of 8140764041 is about 2011.6622011043.

The spelling of 8140764041 in words is "eight billion, one hundred forty million, seven hundred sixty-four thousand, forty-one".

Divisors: 1 17 478868473 8140764041