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1209682130 = 25120968213
BaseRepresentation
bin100100000011010…
…0100100011010010
310010022020012220212
41020012210203102
54434134312010
6320011404122
741656062026
oct11006444322
93108205825
101209682130
1157091a0a8
12299153642
13163804457
14b6930386
15712ee505
hex481a48d2

1209682130 has 8 divisors (see below), whose sum is σ = 2177427852. Its totient is φ = 483872848.

The previous prime is 1209682129. The next prime is 1209682153. The reversal of 1209682130 is 312869021.

It can be written as a sum of positive squares in 2 ways, for example, as 1154164729 + 55517401 = 33973^2 + 7451^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60484097 + ... + 60484116.

Almost surely, 21209682130 is an apocalyptic number.

1209682130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1209682130 is a deficient number, since it is larger than the sum of its proper divisors (967745722).

1209682130 is a wasteful number, since it uses less digits than its factorization.

1209682130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120968220.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1209682130 is about 34780.4849017376. The cubic root of 1209682130 is about 1065.5089164778.

The spelling of 1209682130 in words is "one billion, two hundred nine million, six hundred eighty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 120968213 241936426 604841065 1209682130