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203233312049 is a prime number
BaseRepresentation
bin1011110101000110100…
…1100011110100110001
3201102120200022221210112
42331101221203310301
511312210211441144
6233210351111105
720453211435515
oct2752151436461
9642520287715
10203233312049
11792109a7419
123347a512495
131621b152381
149b9d69c145
15544725299e
hex2f51a63d31

203233312049 has 2 divisors, whose sum is σ = 203233312050. Its totient is φ = 203233312048.

The previous prime is 203233311977. The next prime is 203233312063. The reversal of 203233312049 is 940213332302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146798558449 + 56434753600 = 383143^2 + 237560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203233312049 is a prime.

It is not a weakly prime, because it can be changed into another prime (203233312549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101616656024 + 101616656025.

It is an arithmetic number, because the mean of its divisors is an integer number (101616656025).

Almost surely, 2203233312049 is an apocalyptic number.

It is an amenable number.

203233312049 is a deficient number, since it is larger than the sum of its proper divisors (1).

203233312049 is an equidigital number, since it uses as much as digits as its factorization.

203233312049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 203233312049 in words is "two hundred three billion, two hundred thirty-three million, three hundred twelve thousand, forty-nine".