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61052026493 is a prime number
BaseRepresentation
bin111000110110111110…
…111111111001111101
312211120211011021210102
4320312332333321331
52000013304321433
644014044450445
74260632443223
oct706676777175
9184524137712
1061052026493
112398a306147
12b9ba249a25
1359ac6b1c83
142d524a4b13
1518c4cae4e8
hexe36fbfe7d

61052026493 has 2 divisors, whose sum is σ = 61052026494. Its totient is φ = 61052026492.

The previous prime is 61052026481. The next prime is 61052026501. The reversal of 61052026493 is 39462025016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60844608889 + 207417604 = 246667^2 + 14402^2 .

It is a cyclic number.

It is not a de Polignac number, because 61052026493 - 214 = 61052010109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61052026423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30526013246 + 30526013247.

It is an arithmetic number, because the mean of its divisors is an integer number (30526013247).

Almost surely, 261052026493 is an apocalyptic number.

It is an amenable number.

61052026493 is a deficient number, since it is larger than the sum of its proper divisors (1).

61052026493 is an equidigital number, since it uses as much as digits as its factorization.

61052026493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 61052026493 in words is "sixty-one billion, fifty-two million, twenty-six thousand, four hundred ninety-three".