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1030220201 = 5319438117
BaseRepresentation
bin111101011001111…
…110100110101001
32122210112121102202
4331121332212221
54102214021301
6250121105545
734346504303
oct7531764651
92583477382
101030220201
1148959475a
122490282b5
1313558b46a
149ab76973
15606a066b
hex3d67e9a9

1030220201 has 4 divisors (see below), whose sum is σ = 1049658372. Its totient is φ = 1010782032.

The previous prime is 1030220189. The next prime is 1030220203. The reversal of 1030220201 is 1020220301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 931714576 + 98505625 = 30524^2 + 9925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030220201 - 218 = 1029958057 is a prime.

It is a super-2 number, since 2×10302202012 = 2122707325096960802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9719006 + ... + 9719111.

It is an arithmetic number, because the mean of its divisors is an integer number (262414593).

Almost surely, 21030220201 is an apocalyptic number.

It is an amenable number.

1030220201 is a deficient number, since it is larger than the sum of its proper divisors (19438171).

1030220201 is an equidigital number, since it uses as much as digits as its factorization.

1030220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19438170.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1030220201 is about 32097.0434931319. The cubic root of 1030220201 is about 1009.9735969963.

Adding to 1030220201 its reverse (1020220301), we get a palindrome (2050440502).

It can be divided in two parts, 10302 and 20201, that added together give a palindrome (30503).

The spelling of 1030220201 in words is "one billion, thirty million, two hundred twenty thousand, two hundred one".

Divisors: 1 53 19438117 1030220201