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1211351241130 = 25121135124113
BaseRepresentation
bin10001101000001010001…
…010010001000110101010
311021210201011001220110121
4101220022022101012222
5124321321404204010
62324253113033454
7153342261442342
oct21501212210652
94253634056417
101211351241130
11427805217608
121769270b588a
138a2cb211434
14428b5d09d22
152179b50b3da
hex11a0a2911aa

1211351241130 has 8 divisors (see below), whose sum is σ = 2180432234052. Its totient is φ = 484540496448.

The previous prime is 1211351241127. The next prime is 1211351241131. The reversal of 1211351241130 is 311421531121.

It can be written as a sum of positive squares in 2 ways, for example, as 1154853278881 + 56497962249 = 1074641^2 + 237693^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1211351241095 and 1211351241104.

It is not an unprimeable number, because it can be changed into a prime (1211351241131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60567562047 + ... + 60567562066.

Almost surely, 21211351241130 is an apocalyptic number.

1211351241130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211351241130 is a deficient number, since it is larger than the sum of its proper divisors (969080992922).

1211351241130 is a wasteful number, since it uses less digits than its factorization.

1211351241130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121135124120.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 1211351241130 its reverse (311421531121), we get a palindrome (1522772772251).

The spelling of 1211351241130 in words is "one trillion, two hundred eleven billion, three hundred fifty-one million, two hundred forty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 121135124113 242270248226 605675620565 1211351241130