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1120020201 = 32124446689
BaseRepresentation
bin100001011000010…
…0010011011101001
32220001111220212200
41002300202123221
54243211121301
6303045530413
736520005006
oct10260423351
92801456780
101120020201
11525249833
12273113a09
1314b070361
14a8a708ad
15684dcc86
hex42c226e9

1120020201 has 6 divisors (see below), whose sum is σ = 1617806970. Its totient is φ = 746680128.

The previous prime is 1120020193. The next prime is 1120020277. The reversal of 1120020201 is 1020200211.

It can be written as a sum of positive squares in only one way, i.e., 974938176 + 145082025 = 31224^2 + 12045^2 .

It is not a de Polignac number, because 1120020201 - 23 = 1120020193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 124446689 = 1120020201 / (1 + 1 + 2 + 0 + 0 + 2 + 0 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (1120020301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62223336 + ... + 62223353.

It is an arithmetic number, because the mean of its divisors is an integer number (269634495).

Almost surely, 21120020201 is an apocalyptic number.

It is an amenable number.

1120020201 is a deficient number, since it is larger than the sum of its proper divisors (497786769).

1120020201 is a wasteful number, since it uses less digits than its factorization.

1120020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124446695 (or 124446692 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1120020201 is about 33466.7028701663. The cubic root of 1120020201 is about 1038.5050639978.

Adding to 1120020201 its reverse (1020200211), we get a palindrome (2140220412).

The spelling of 1120020201 in words is "one billion, one hundred twenty million, twenty thousand, two hundred one".

Divisors: 1 3 9 124446689 373340067 1120020201