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57981974503 is a prime number
BaseRepresentation
bin110101111111111111…
…101011011111100111
312112122212022111012011
4311333333223133213
51422221341141003
642345254535051
74121563436305
oct657777533747
9175585274164
1057981974503
11226543496a2
12b2a2067487
13561064136b
142b40865275
1517954ce46d
hexd7ffeb7e7

57981974503 has 2 divisors, whose sum is σ = 57981974504. Its totient is φ = 57981974502.

The previous prime is 57981974497. The next prime is 57981974521. The reversal of 57981974503 is 30547918975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57981974503 - 233 = 49392039911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57981974543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28990987251 + 28990987252.

It is an arithmetic number, because the mean of its divisors is an integer number (28990987252).

Almost surely, 257981974503 is an apocalyptic number.

57981974503 is a deficient number, since it is larger than the sum of its proper divisors (1).

57981974503 is an equidigital number, since it uses as much as digits as its factorization.

57981974503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 57981974503 in words is "fifty-seven billion, nine hundred eighty-one million, nine hundred seventy-four thousand, five hundred three".