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1242211041325 = 521727491063241
BaseRepresentation
bin10010000100111001100…
…011000100000000101101
311101202100211020011222101
4102010321203010000231
5130323022011310300
62350355221415101
7155514101430322
oct22047143040055
94352324204871
101242211041325
11439900826211
121808b9b6a491
13901a8766437
14441a2608b49
15224a5870b6a
hex121398c402d

1242211041325 has 24 divisors (see below), whose sum is σ = 1631544849000. Its totient is φ = 934970726400.

The previous prime is 1242211041317. The next prime is 1242211041341. The reversal of 1242211041325 is 5231401122421.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 225909139401 + 1016301901924 = 475299^2 + 1008118^2 .

It is not a de Polignac number, because 1242211041325 - 23 = 1242211041317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242211041293 and 1242211041302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636705 + ... + 1699945.

It is an arithmetic number, because the mean of its divisors is an integer number (67981035375).

Almost surely, 21242211041325 is an apocalyptic number.

It is an amenable number.

1242211041325 is a deficient number, since it is larger than the sum of its proper divisors (389333807675).

1242211041325 is a wasteful number, since it uses less digits than its factorization.

1242211041325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066017 (or 1066012 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1242211041325 its reverse (5231401122421), we get a palindrome (6473612163746).

The spelling of 1242211041325 in words is "one trillion, two hundred forty-two billion, two hundred eleven million, forty-one thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 425 2749 13745 46733 68725 233665 1063241 1168325 5316205 18075097 26581025 90375485 451877425 2922849509 14614247545 49688441653 73071237725 248442208265 1242211041325