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57419720129 is a prime number
BaseRepresentation
bin110101011110011110…
…110110010111000001
312111012200100000012002
4311132132312113001
51420043422021004
642213411513345
74101625365602
oct653636662701
9174180300162
1057419720129
1122395a31662
12b1658b8855
135551000175
142ac9d05da9
151760e6a61e
hexd5e7b65c1

57419720129 has 2 divisors, whose sum is σ = 57419720130. Its totient is φ = 57419720128.

The previous prime is 57419720123. The next prime is 57419720161. The reversal of 57419720129 is 92102791475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46374761104 + 11044959025 = 215348^2 + 105095^2 .

It is a cyclic number.

It is not a de Polignac number, because 57419720129 - 224 = 57402942913 is a prime.

It is not a weakly prime, because it can be changed into another prime (57419720123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28709860064 + 28709860065.

It is an arithmetic number, because the mean of its divisors is an integer number (28709860065).

Almost surely, 257419720129 is an apocalyptic number.

It is an amenable number.

57419720129 is a deficient number, since it is larger than the sum of its proper divisors (1).

57419720129 is an equidigital number, since it uses as much as digits as its factorization.

57419720129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 57419720129 in words is "fifty-seven billion, four hundred nineteen million, seven hundred twenty thousand, one hundred twenty-nine".