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1210540130025 = 352413607109141
BaseRepresentation
bin10001100111011001110…
…100000111111011101001
311021201121121211012012120
4101213121310013323221
5124313141233130100
62324040420101453
7153313212221052
oct21473164077351
94251547735176
101210540130025
11427429387856
1217673b534889
138a1cc16b035
144283a2cb729
15217501dc0a0
hex119d9d07ee9

1210540130025 has 48 divisors (see below), whose sum is σ = 2050828821888. Its totient is φ = 629694144000.

The previous prime is 1210540129993. The next prime is 1210540130027. The reversal of 1210540130025 is 5200310450121.

It is a happy number.

It is not a de Polignac number, because 1210540130025 - 25 = 1210540129993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210540129977 and 1210540130004.

It is not an unprimeable number, because it can be changed into a prime (1210540130027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11036955 + ... + 11146095.

It is an arithmetic number, because the mean of its divisors is an integer number (42725600456).

Almost surely, 21210540130025 is an apocalyptic number.

1210540130025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1210540130025 is a deficient number, since it is larger than the sum of its proper divisors (840288691863).

1210540130025 is a wasteful number, since it uses less digits than its factorization.

1210540130025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112802 (or 112797 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 1210540130025 its reverse (5200310450121), we get a palindrome (6410850580146).

The spelling of 1210540130025 in words is "one trillion, two hundred ten billion, five hundred forty million, one hundred thirty thousand, twenty-five".

Divisors: 1 3 5 15 25 41 75 123 205 615 1025 3075 3607 10821 18035 54105 90175 109141 147887 270525 327423 443661 545705 739435 1637115 2218305 2728525 3697175 4474781 8185575 11091525 13424343 22373905 67121715 111869525 335608575 393671587 1181014761 1968357935 5905073805 9841789675 16140535067 29525369025 48421605201 80702675335 242108026005 403513376675 1210540130025