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28476984358357 is a prime number
BaseRepresentation
bin1100111100110010100001…
…00010010111010111010101
310201211101002000001212212121
412132121100202113113111
512213031330443431412
6140322051312215541
75666252135133463
oct636312042272725
9121741060055777
1028476984358357
11908a026305527
12323b04453a5b1
1312b74a294b0a2
1470641711d833
15345b42080107
hex19e6508975d5

28476984358357 has 2 divisors, whose sum is σ = 28476984358358. Its totient is φ = 28476984358356.

The previous prime is 28476984358331. The next prime is 28476984358421. The reversal of 28476984358357 is 75385348967482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27098177659281 + 1378806699076 = 5205591^2 + 1174226^2 .

It is a cyclic number.

It is not a de Polignac number, because 28476984358357 - 219 = 28476983834069 is a prime.

It is a super-2 number, since 2×284769843583572 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28476984350357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14238492179178 + 14238492179179.

It is an arithmetic number, because the mean of its divisors is an integer number (14238492179179).

Almost surely, 228476984358357 is an apocalyptic number.

It is an amenable number.

28476984358357 is a deficient number, since it is larger than the sum of its proper divisors (1).

28476984358357 is an equidigital number, since it uses as much as digits as its factorization.

28476984358357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9754214400, while the sum is 79.

The spelling of 28476984358357 in words is "twenty-eight trillion, four hundred seventy-six billion, nine hundred eighty-four million, three hundred fifty-eight thousand, three hundred fifty-seven".