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2978505241 is a prime number
BaseRepresentation
bin1011000110001000…
…0110001000011001
321200120120202001221
42301202012020121
522044444131431
61211315412041
7133544606515
oct26142061031
97616522057
102978505241
11129931a088
126b15b4021
133860c994a
1420380d145
1512674a111
hexb1886219

2978505241 has 2 divisors, whose sum is σ = 2978505242. Its totient is φ = 2978505240.

The previous prime is 2978505223. The next prime is 2978505259. The reversal of 2978505241 is 1425058792.

It is a balanced prime because it is at equal distance from previous prime (2978505223) and next prime (2978505259).

It can be written as a sum of positive squares in only one way, i.e., 2353705225 + 624800016 = 48515^2 + 24996^2 .

It is a cyclic number.

It is not a de Polignac number, because 2978505241 - 211 = 2978503193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2978505841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489252620 + 1489252621.

It is an arithmetic number, because the mean of its divisors is an integer number (1489252621).

Almost surely, 22978505241 is an apocalyptic number.

It is an amenable number.

2978505241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978505241 is an equidigital number, since it uses as much as digits as its factorization.

2978505241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2978505241 is about 54575.6836054300. The cubic root of 2978505241 is about 1438.7967766972.

The spelling of 2978505241 in words is "two billion, nine hundred seventy-eight million, five hundred five thousand, two hundred forty-one".