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1211303032130 = 25121130303213
BaseRepresentation
bin10001101000000111010…
…010010111010101000010
311021210120210100122011002
4101220013102113111002
5124321222034012010
62324244231452002
7153341134614332
oct21500722272502
94253523318132
101211303032130
1142778aa8a464
12176912b27002
138a2c12322b9
14428ad75b0c2
15217971871a5
hex11a07497542

1211303032130 has 8 divisors (see below), whose sum is σ = 2180345457852. Its totient is φ = 484521212848.

The previous prime is 1211303032127. The next prime is 1211303032157. The reversal of 1211303032130 is 312303031121.

It can be written as a sum of positive squares in 2 ways, for example, as 1055413092889 + 155889939241 = 1027333^2 + 394829^2 .

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

It is a super-3 number, since 3×12113030321303 (a number of 37 digits) contains 333 as substring.

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, 60565151597 + ... + 60565151616.

Almost surely, 21211303032130 is an apocalyptic number.

1211303032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211303032130 is a deficient number, since it is larger than the sum of its proper divisors (969042425722).

1211303032130 is a wasteful number, since it uses less digits than its factorization.

1211303032130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121130303220.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1211303032130 its reverse (312303031121), we get a palindrome (1523606063251).

The spelling of 1211303032130 in words is "one trillion, two hundred eleven billion, three hundred three million, thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 121130303213 242260606426 605651516065 1211303032130