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5020031557 is a prime number
BaseRepresentation
bin1001010110011011…
…11001101001000101
3110221212002000200201
410223031321221011
540240112002212
62150044410501
7235254364342
oct45315715105
913855060621
105020031557
11214674a012
12b81246a31
13620053498
143589d77c9
151e5ab1b57
hex12b379a45

5020031557 has 2 divisors, whose sum is σ = 5020031558. Its totient is φ = 5020031556.

The previous prime is 5020031521. The next prime is 5020031587. The reversal of 5020031557 is 7551300205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4960525761 + 59505796 = 70431^2 + 7714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5020031557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5020031587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510015778 + 2510015779.

It is an arithmetic number, because the mean of its divisors is an integer number (2510015779).

Almost surely, 25020031557 is an apocalyptic number.

It is an amenable number.

5020031557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5020031557 is an equidigital number, since it uses as much as digits as its factorization.

5020031557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 5020031557 is about 70852.1810320614. The cubic root of 5020031557 is about 1712.2564692644.

The spelling of 5020031557 in words is "five billion, twenty million, thirty-one thousand, five hundred fifty-seven".