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20110321032030 = 233578419499129
BaseRepresentation
bin1001001001010010011001…
…00010101001101101011110
32122012112020211221121012000
410210221030202221231132
510113441414141011110
6110434315352423130
74143631334226525
oct444511442515536
978175224847160
1020110321032030
116453814a47279
1223096219a7aa6
13b2b51a163808
144d74b7d2b4bc
1524d1b02441c0
hex124a4c8a9b5e

20110321032030 has 64 divisors (see below), whose sum is σ = 53634367771200. Its totient is φ = 5362067773440.

The previous prime is 20110321031869. The next prime is 20110321032059. The reversal of 20110321032030 is 3023012301102.

20110321032030 is a `hidden beast` number, since 2 + 0 + 1 + 103 + 210 + 320 + 30 = 666.

It is a super-2 number, since 2×201103210320302 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20110321031994 and 20110321032012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2632495 + ... + 6866634.

It is an arithmetic number, because the mean of its divisors is an integer number (838036996425).

Almost surely, 220110321032030 is an apocalyptic number.

20110321032030 is an abundant number, since it is smaller than the sum of its proper divisors (33524046739170).

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

20110321032030 is a wasteful number, since it uses less digits than its factorization.

20110321032030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506986 (or 9506980 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20110321032030 its reverse (3023012301102), we get a palindrome (23133333333132).

The spelling of 20110321032030 in words is "twenty trillion, one hundred ten billion, three hundred twenty-one million, thirty-two thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 7841 15682 23523 39205 47046 70569 78410 117615 141138 211707 235230 352845 423414 705690 1058535 2117070 9499129 18998258 28497387 47495645 56994774 85492161 94991290 142486935 170984322 256476483 284973870 427460805 512952966 854921610 1282382415 2564764830 74482670489 148965340978 223448011467 372413352445 446896022934 670344034401 744826704890 1117240057335 1340688068802 2011032103203 2234480114670 3351720172005 4022064206406 6703440344010 10055160516015 20110321032030