Search a number
-
+
1202811130 = 25120281113
BaseRepresentation
bin100011110110001…
…0111000011111010
310002211022010200101
41013230113003322
54430404424010
6315204230014
741543503663
oct10754270372
93084263611
101202811130
11567a56894
1229699b30a
13162269b81
14b5a6236a
15708e373a
hex47b170fa

1202811130 has 8 divisors (see below), whose sum is σ = 2165060052. Its totient is φ = 481124448.

The previous prime is 1202811109. The next prime is 1202811157. The reversal of 1202811130 is 311182021.

It can be written as a sum of positive squares in 2 ways, for example, as 1041546529 + 161264601 = 32273^2 + 12699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12028111302 = 2893509228903753800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202811098 and 1202811107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60140547 + ... + 60140566.

Almost surely, 21202811130 is an apocalyptic number.

1202811130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202811130 is a deficient number, since it is larger than the sum of its proper divisors (962248922).

1202811130 is a wasteful number, since it uses less digits than its factorization.

1202811130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120281120.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1202811130 is about 34681.5675827953. The cubic root of 1202811130 is about 1063.4877196675.

Adding to 1202811130 its reverse (311182021), we get a palindrome (1513993151).

The spelling of 1202811130 in words is "one billion, two hundred two million, eight hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 120281113 240562226 601405565 1202811130