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18828696253 is a prime number
BaseRepresentation
bin10001100010010001…
…110001101010111101
31210121012111212120111
4101202101301222331
5302030121240003
612352204150021
71234410164113
oct214221615275
953535455514
1018828696253
117a923431a4
123795838311
131a10b1cbb3
14ca8905ab3
15752eece6d
hex462471abd

18828696253 has 2 divisors, whose sum is σ = 18828696254. Its totient is φ = 18828696252.

The previous prime is 18828696203. The next prime is 18828696301. The reversal of 18828696253 is 35269682881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13989685284 + 4839010969 = 118278^2 + 69563^2 .

It is a cyclic number.

It is not a de Polignac number, because 18828696253 - 213 = 18828688061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18828696203) 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, 9414348126 + 9414348127.

It is an arithmetic number, because the mean of its divisors is an integer number (9414348127).

Almost surely, 218828696253 is an apocalyptic number.

It is an amenable number.

18828696253 is a deficient number, since it is larger than the sum of its proper divisors (1).

18828696253 is an equidigital number, since it uses as much as digits as its factorization.

18828696253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9953280, while the sum is 58.

The spelling of 18828696253 in words is "eighteen billion, eight hundred twenty-eight million, six hundred ninety-six thousand, two hundred fifty-three".