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88930625209 is a prime number
BaseRepresentation
bin101001011010010101…
…1011010011010111001
322111112201122211200121
41102310223122122321
52424112220001314
6104504255533241
76265532561536
oct1226453323271
9274481584617
1088930625209
1134796023a78
121529a82a221
13850340502a
144438c91d8d
1524a7544d24
hex14b4ada6b9

88930625209 has 2 divisors, whose sum is σ = 88930625210. Its totient is φ = 88930625208.

The previous prime is 88930625159. The next prime is 88930625227. The reversal of 88930625209 is 90252603988.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60277615225 + 28653009984 = 245515^2 + 169272^2 .

It is a cyclic number.

It is not a de Polignac number, because 88930625209 - 231 = 86783141561 is a prime.

It is a super-2 number, since 2×889306252092 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88930625279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44465312604 + 44465312605.

It is an arithmetic number, because the mean of its divisors is an integer number (44465312605).

Almost surely, 288930625209 is an apocalyptic number.

It is an amenable number.

88930625209 is a deficient number, since it is larger than the sum of its proper divisors (1).

88930625209 is an equidigital number, since it uses as much as digits as its factorization.

88930625209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 88930625209 in words is "eighty-eight billion, nine hundred thirty million, six hundred twenty-five thousand, two hundred nine".