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61026250903 is a prime number
BaseRepresentation
bin111000110101011100…
…101011000010010111
312211112000122202022221
4320311130223002113
51444440210012103
644011324203211
74260200400562
oct706534530227
9184460582287
1061026250903
1123976800602
12b9b1699507
1359a7258a47
142d4ccb54d9
1518c28bc1bd
hexe3572b097

61026250903 has 2 divisors, whose sum is σ = 61026250904. Its totient is φ = 61026250902.

The previous prime is 61026250861. The next prime is 61026250913. The reversal of 61026250903 is 30905262016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61026250903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61026250913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513125451 + 30513125452.

It is an arithmetic number, because the mean of its divisors is an integer number (30513125452).

Almost surely, 261026250903 is an apocalyptic number.

61026250903 is a deficient number, since it is larger than the sum of its proper divisors (1).

61026250903 is an equidigital number, since it uses as much as digits as its factorization.

61026250903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 61026250903 in words is "sixty-one billion, twenty-six million, two hundred fifty thousand, nine hundred three".