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1023244222221 = 321323712753353
BaseRepresentation
bin11101110001111100001…
…10111011111100001101
310121211011122112020222100
432320332012323330031
5113231101010102341
62102023310505313
7133632642244524
oct16707606737415
93554148466870
101023244222221
11364a56762101
1214638a505239
1375650b265a0
143774d5494bb
151b93c2183b6
hexee3e1bbf0d

1023244222221 has 48 divisors (see below), whose sum is σ = 1661182338816. Its totient is φ = 602215181568.

The previous prime is 1023244222193. The next prime is 1023244222229. The reversal of 1023244222221 is 1222224423201.

1023244222221 is a `hidden beast` number, since 1 + 0 + 232 + 4 + 422 + 2 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 1023244222221 - 215 = 1023244189453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023244222229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19152081 + ... + 19205433.

It is an arithmetic number, because the mean of its divisors is an integer number (34607965392).

Almost surely, 21023244222221 is an apocalyptic number.

It is an amenable number.

1023244222221 is a deficient number, since it is larger than the sum of its proper divisors (637938116595).

1023244222221 is a wasteful number, since it uses less digits than its factorization.

1023244222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60522 (or 60519 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1023244222221 its reverse (1222224423201), we get a palindrome (2245468645422).

The spelling of 1023244222221 in words is "one trillion, twenty-three billion, two hundred forty-four million, two hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 3 9 13 23 39 69 117 207 299 897 2691 7127 21381 53353 64143 92651 160059 163921 277953 480177 491763 693589 833859 1227119 1475289 2080767 2130973 3681357 6242301 6392919 11044071 15952547 19178757 47857641 143572923 380246831 1140740493 3422221479 4943208803 8745677113 14829626409 26237031339 44488879227 78711094017 113693802469 341081407407 1023244222221