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61055506423 is a prime number
BaseRepresentation
bin111000110111001100…
…010001011111110111
312211121001201002100201
4320313030101133313
52000020202201143
644014251221331
74261004145622
oct706714213767
9184531632321
1061055506423
112399127271a
12b9bb447847
1359b032cbc2
142d52b2cdb9
1518c524a64d
hexe373117f7

61055506423 has 2 divisors, whose sum is σ = 61055506424. Its totient is φ = 61055506422.

The previous prime is 61055506399. The next prime is 61055506427. The reversal of 61055506423 is 32460555016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61055506423 - 29 = 61055505911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61055506427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527753211 + 30527753212.

It is an arithmetic number, because the mean of its divisors is an integer number (30527753212).

Almost surely, 261055506423 is an apocalyptic number.

61055506423 is a deficient number, since it is larger than the sum of its proper divisors (1).

61055506423 is an equidigital number, since it uses as much as digits as its factorization.

61055506423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 61055506423 in words is "sixty-one billion, fifty-five million, five hundred six thousand, four hundred twenty-three".