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33872810189 is a prime number
BaseRepresentation
bin11111100010111110…
…100001000011001101
310020102122200001012112
4133202332201003031
51023332414411224
623321055513405
72306254064441
oct374276410315
9106378601175
1033872810189
1113402355709
126693b28865
13326a84316a
1418d4930821
15d33b2830e
hex7e2fa10cd

33872810189 has 2 divisors, whose sum is σ = 33872810190. Its totient is φ = 33872810188.

The previous prime is 33872810137. The next prime is 33872810261. The reversal of 33872810189 is 98101827833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29182888900 + 4689921289 = 170830^2 + 68483^2 .

It is an emirp because it is prime and its reverse (98101827833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33872810189 - 28 = 33872809933 is a prime.

It is a super-2 number, since 2×338728101892 (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 (33872810119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16936405094 + 16936405095.

It is an arithmetic number, because the mean of its divisors is an integer number (16936405095).

Almost surely, 233872810189 is an apocalyptic number.

It is an amenable number.

33872810189 is a deficient number, since it is larger than the sum of its proper divisors (1).

33872810189 is an equidigital number, since it uses as much as digits as its factorization.

33872810189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 33872810189 in words is "thirty-three billion, eight hundred seventy-two million, eight hundred ten thousand, one hundred eighty-nine".