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2205031057 is a prime number
BaseRepresentation
bin1000001101101110…
…0001101010010001
312200200011011221221
42003123201222101
514003441443212
61002445245041
7105433311655
oct20333415221
95620134857
102205031057
11a31756519
12516563781
13291aa3608
1416cbcaa65
15cd8b2807
hex836e1a91

2205031057 has 2 divisors, whose sum is σ = 2205031058. Its totient is φ = 2205031056.

The previous prime is 2205031051. The next prime is 2205031079. The reversal of 2205031057 is 7501305022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1319432976 + 885598081 = 36324^2 + 29759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2205031057 is a prime.

It is a super-3 number, since 3×22050310573 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2205031051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102515528 + 1102515529.

It is an arithmetic number, because the mean of its divisors is an integer number (1102515529).

Almost surely, 22205031057 is an apocalyptic number.

It is an amenable number.

2205031057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205031057 is an equidigital number, since it uses as much as digits as its factorization.

2205031057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2205031057 is about 46957.7582194891. The cubic root of 2205031057 is about 1301.5821086933.

Adding to 2205031057 its reverse (7501305022), we get a palindrome (9706336079).

The spelling of 2205031057 in words is "two billion, two hundred five million, thirty-one thousand, fifty-seven".