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1220033000231 = 13913676420787
BaseRepresentation
bin10001110000001111101…
…000100011001100100111
311022122010012022222000222
4101300033220203030213
5124442111422001411
62332250405154555
7154100361252353
oct21601750431447
94278105288028
101220033000231
1143045a905731
1217854a6bba5b
138b082a780b6
144309ad60463
1521b087c44db
hex11c0fa23327

1220033000231 has 8 divisors (see below), whose sum is σ = 1229709317760. Its totient is φ = 1210369527288.

The previous prime is 1220033000213. The next prime is 1220033000257. The reversal of 1220033000231 is 1320003300221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1220033000231 is a prime.

It is a super-2 number, since 2×12200330002312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220033000261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3020381 + ... + 3400406.

It is an arithmetic number, because the mean of its divisors is an integer number (153713664720).

Almost surely, 21220033000231 is an apocalyptic number.

1220033000231 is a deficient number, since it is larger than the sum of its proper divisors (9676317529).

1220033000231 is a wasteful number, since it uses less digits than its factorization.

1220033000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422293.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1220033000231 its reverse (1320003300221), we get a palindrome (2540036300452).

The spelling of 1220033000231 in words is "one trillion, two hundred twenty billion, thirty-three million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 139 1367 190013 6420787 892489393 8777215829 1220033000231