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1220301030102 = 2371134722073449
BaseRepresentation
bin10001110000011111100…
…111000000001011010110
311022122210212200021220020
4101300133213000023112
5124443134030430402
62332333142050010
7154110124416510
oct21603747001326
94278725607806
101220301030102
11430588133520
12178604419906
138b0c646125b
14430c47b0bb0
1521b220ba8bc
hex11c1f9c02d6

1220301030102 has 128 divisors (see below), whose sum is σ = 3053865369600. Its totient is φ = 315813077760.

The previous prime is 1220301030097. The next prime is 1220301030103. The reversal of 1220301030102 is 2010301030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220301030103) 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 63 ways as a sum of consecutive naturals, for example, 353811274 + ... + 353814722.

It is an arithmetic number, because the mean of its divisors is an integer number (23858323200).

Almost surely, 21220301030102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220301030102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526932684800).

1220301030102 is an abundant number, since it is smaller than the sum of its proper divisors (1833564339498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220301030102 is a wasteful number, since it uses less digits than its factorization.

1220301030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1220301030102 its reverse (2010301030221), we get a palindrome (3230602060323).

The spelling of 1220301030102 in words is "one trillion, two hundred twenty billion, three hundred one million, thirty thousand, one hundred two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 347 462 694 1041 2082 2207 2429 3449 3817 4414 4858 6621 6898 7287 7634 10347 11451 13242 14574 15449 20694 22902 24143 24277 26719 30898 37939 46347 48286 48554 53438 72429 72831 75878 80157 92694 113817 144858 145662 160314 169939 227634 265573 339878 509817 531146 765829 796719 1019634 1196803 1531658 1593438 2297487 2393606 3590409 4594974 5360803 7180818 7611943 8377621 8424119 10721606 13164833 15223886 16082409 16755242 16848238 22835829 25132863 25272357 26329666 32164818 39494499 45671658 50265726 50544714 53283601 58968833 78988998 83731373 92153831 106567202 117937666 159850803 167462746 176906499 184307662 251194119 276461493 319701606 353812998 502388238 552922986 586119611 1172239222 1758358833 2641344221 3516717666 5282688442 7924032663 15848065326 18489409547 29054786431 36978819094 55468228641 58109572862 87164359293 110936457282 174328718586 203383505017 406767010034 610150515051 1220301030102