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1225230325221 = 371073311647353
BaseRepresentation
bin10001110101000101011…
…010110001010111100101
311100010112102000102121010
4101311011122301113211
5130033232430401341
62334510230012433
7154343230633350
oct21650532612745
94303472012533
101225230325221
11432687638941
1217955b1a7119
138b700765526
1443431309297
1521d0ec07716
hex11d456b15e5

1225230325221 has 32 divisors (see below), whose sum is σ = 1890160800768. Its totient is φ = 691492475520.

The previous prime is 1225230325213. The next prime is 1225230325237.

It is a happy number.

1225230325221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1225230325221 - 23 = 1225230325213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225230321221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79920 + ... + 1567433.

It is an arithmetic number, because the mean of its divisors is an integer number (59067525024).

Almost surely, 21225230325221 is an apocalyptic number.

It is an amenable number.

1225230325221 is a deficient number, since it is larger than the sum of its proper divisors (664930475547).

1225230325221 is a wasteful number, since it uses less digits than its factorization.

1225230325221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647801.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 1225230325221 in words is "one trillion, two hundred twenty-five billion, two hundred thirty million, three hundred twenty-five thousand, two hundred twenty-one".

Divisors: 1 3 7 21 107 321 331 749 993 2247 2317 6951 35417 106251 247919 743757 1647353 4942059 11531471 34594413 176266771 528800313 545273843 1233867397 1635821529 3701602191 3816916901 11450750703 58344301201 175032903603 408410108407 1225230325221