Search a number
-
+
5145105461 is a prime number
BaseRepresentation
bin1001100101010110…
…00001010000110101
3111021120102102211112
410302223001100311
541014121333321
62210313244405
7241333450316
oct46253012065
914246372745
105145105461
112200306981
12bb7103705
1363cc35a02
1436b47460d
15201a6aa5b
hex132ac1435

5145105461 has 2 divisors, whose sum is σ = 5145105462. Its totient is φ = 5145105460.

The previous prime is 5145105439. The next prime is 5145105467. The reversal of 5145105461 is 1645015415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5111535025 + 33570436 = 71495^2 + 5794^2 .

It is a cyclic number.

It is not a de Polignac number, because 5145105461 - 214 = 5145089077 is a prime.

It is a super-2 number, since 2×51451054612 = 52944220409624045042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5145105467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572552730 + 2572552731.

It is an arithmetic number, because the mean of its divisors is an integer number (2572552731).

Almost surely, 25145105461 is an apocalyptic number.

It is an amenable number.

5145105461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145105461 is an equidigital number, since it uses as much as digits as its factorization.

5145105461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 5145105461 is about 71729.3904965043. The cubic root of 5145105461 is about 1726.3602473789.

The spelling of 5145105461 in words is "five billion, one hundred forty-five million, one hundred five thousand, four hundred sixty-one".