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BaseRepresentation
bin1011010011111111…
…0010011001011101
321211121221022001112
42310333302121131
522204333323011
61221153151405
7135151563434
oct26477623135
97747838045
103036620381
111319102923
12708b5b565
133951669c2
1420b41a11b
1512b8c958b
hexb4ff265d

3036620381 has 2 divisors, whose sum is σ = 3036620382. Its totient is φ = 3036620380.

The previous prime is 3036620309. The next prime is 3036620453. The reversal of 3036620381 is 1830266303.

Adding to 3036620381 its reverse (1830266303), we get a palindrome (4866886684).

3036620381 = 389652 + 389662.

It is a balanced prime because it is at equal distance from previous prime (3036620309) and next prime (3036620453).

It can be written as a sum of positive squares in only one way, i.e., 1518349156 + 1518271225 = 38966^2 + 38965^2 .

It is a cyclic number.

It is not a de Polignac number, because 3036620381 - 210 = 3036619357 is a prime.

It is a super-2 number, since 2×30366203812 = 18442126676609170322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3036620981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518310190 + 1518310191.

It is an arithmetic number, because the mean of its divisors is an integer number (1518310191).

Almost surely, 23036620381 is an apocalyptic number.

3036620381 is the 38966-th centered square number.

It is an amenable number.

3036620381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3036620381 is an equidigital number, since it uses as much as digits as its factorization.

3036620381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3036620381 is about 55105.5385691856. The cubic root of 3036620381 is about 1448.0942670651.

The spelling of 3036620381 in words is "three billion, thirty-six million, six hundred twenty thousand, three hundred eighty-one".