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57424620709 is a prime number
BaseRepresentation
bin110101011110110001…
…100010110010100101
312111020000112222112001
4311132301202302211
51420101200330314
642214104525301
74102015136161
oct653661426245
9174200488461
1057424620709
1122398779525
12b167480831
135552027911
142aca81dca1
1517615d7674
hexd5ec62ca5

57424620709 has 2 divisors, whose sum is σ = 57424620710. Its totient is φ = 57424620708.

The previous prime is 57424620679. The next prime is 57424620713. The reversal of 57424620709 is 90702642475.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57393784900 + 30835809 = 239570^2 + 5553^2 .

It is a cyclic number.

It is not a de Polignac number, because 57424620709 - 229 = 56887749797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57424620769) 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, 28712310354 + 28712310355.

It is an arithmetic number, because the mean of its divisors is an integer number (28712310355).

Almost surely, 257424620709 is an apocalyptic number.

It is an amenable number.

57424620709 is a deficient number, since it is larger than the sum of its proper divisors (1).

57424620709 is an equidigital number, since it uses as much as digits as its factorization.

57424620709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 57424620709 in words is "fifty-seven billion, four hundred twenty-four million, six hundred twenty thousand, seven hundred nine".