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80148041 is a prime number
BaseRepresentation
bin1001100011011…
…11011001001001
312120210221102222
410301233121021
5131004214131
611541503425
71662150521
oct461573111
9176727388
1080148041
1141272456
1222a11b75
13137b289c
14a904681
15708287b
hex4c6f649

80148041 has 2 divisors, whose sum is σ = 80148042. Its totient is φ = 80148040.

The previous prime is 80148017. The next prime is 80148043. The reversal of 80148041 is 14084108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63664441 + 16483600 = 7979^2 + 4060^2 .

It is a cyclic number.

It is not a de Polignac number, because 80148041 - 222 = 75953737 is a prime.

It is a super-2 number, since 2×801480412 = 12847416952275362, which contains 22 as substring.

Together with 80148043, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80148041.

It is not a weakly prime, because it can be changed into another prime (80148043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40074020 + 40074021.

It is an arithmetic number, because the mean of its divisors is an integer number (40074021).

Almost surely, 280148041 is an apocalyptic number.

It is an amenable number.

80148041 is a deficient number, since it is larger than the sum of its proper divisors (1).

80148041 is an equidigital number, since it uses as much as digits as its factorization.

80148041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 80148041 is about 8952.5438284322. The cubic root of 80148041 is about 431.1525614488.

The spelling of 80148041 in words is "eighty million, one hundred forty-eight thousand, forty-one".