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2231012669 is a prime number
BaseRepresentation
bin1000010011111010…
…1000110100111101
312202111001012000212
42010332220310331
514032114401134
61005214202205
7106200203054
oct20476506475
95674035025
102231012669
11a45391926
125231b3365
1329729c552
1417243139b
15d0ce5bce
hex84fa8d3d

2231012669 has 2 divisors, whose sum is σ = 2231012670. Its totient is φ = 2231012668.

The previous prime is 2231012657. The next prime is 2231012677. The reversal of 2231012669 is 9662101322.

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., 1908379225 + 322633444 = 43685^2 + 17962^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231012669 - 24 = 2231012653 is a prime.

It is a super-3 number, since 3×22310126693 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231015669) 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, 1115506334 + 1115506335.

It is an arithmetic number, because the mean of its divisors is an integer number (1115506335).

Almost surely, 22231012669 is an apocalyptic number.

It is an amenable number.

2231012669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231012669 is an equidigital number, since it uses as much as digits as its factorization.

2231012669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2231012669 is about 47233.5968247179. The cubic root of 2231012669 is about 1306.6742883235.

The spelling of 2231012669 in words is "two billion, two hundred thirty-one million, twelve thousand, six hundred sixty-nine".