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28574748373 is a prime number
BaseRepresentation
bin11010100111001100…
…000000111011010101
32201202102102121200211
4122213030000323111
5432010113421443
621043240005421
72031052232203
oct324714007325
981672377624
1028574748373
1111133778426
125655760871
132905014a42
141551042073
15b2394719d
hex6a7300ed5

28574748373 has 2 divisors, whose sum is σ = 28574748374. Its totient is φ = 28574748372.

The previous prime is 28574748283. The next prime is 28574748407. The reversal of 28574748373 is 37384747582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20568435889 + 8006312484 = 143417^2 + 89478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28574748373 is a prime.

It is a super-2 number, since 2×285747483732 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28574748173) 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, 14287374186 + 14287374187.

It is an arithmetic number, because the mean of its divisors is an integer number (14287374187).

Almost surely, 228574748373 is an apocalyptic number.

It is an amenable number.

28574748373 is a deficient number, since it is larger than the sum of its proper divisors (1).

28574748373 is an equidigital number, since it uses as much as digits as its factorization.

28574748373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31610880, while the sum is 58.

The spelling of 28574748373 in words is "twenty-eight billion, five hundred seventy-four million, seven hundred forty-eight thousand, three hundred seventy-three".