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12100993 is a prime number
BaseRepresentation
bin101110001010…
…010110000001
3211202210102221
4232022112001
511044212433
61111211041
7204566602
oct56122601
924683387
1012100993
116915723
124076a81
132678c68
14186dda9
1510e072d
hexb8a581

12100993 has 2 divisors, whose sum is σ = 12100994. Its totient is φ = 12100992.

The previous prime is 12100973. The next prime is 12101003. The reversal of 12100993 is 39900121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 425104 = 3417^2 + 652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12100993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12100973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050496 + 6050497.

It is an arithmetic number, because the mean of its divisors is an integer number (6050497).

Almost surely, 212100993 is an apocalyptic number.

It is an amenable number.

12100993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100993 is an equidigital number, since it uses as much as digits as its factorization.

12100993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 12100993 is about 3478.6481569713. The cubic root of 12100993 is about 229.5833224601.

The spelling of 12100993 in words is "twelve million, one hundred thousand, nine hundred ninety-three".