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20102320003218 = 2317197081568659
BaseRepresentation
bin1001001001000011011111…
…01001001001100010010010
32122011202121020121020000120
410210201233221021202102
510113324022410100333
6110430513414531110
74143226141503105
oct444415751114222
978152536536016
1020102320003218
116450389636972
122307b6a366a96
13b2a84365033b
144d6d5947673c
1524cd92ae3db3
hex12486fa49892

20102320003218 has 16 divisors (see below), whose sum is σ = 42569618830560. Its totient is φ = 6306610197056.

The previous prime is 20102320003217. The next prime is 20102320003231. The reversal of 20102320003218 is 81230002320102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20102320003217) 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, 98540784228 + ... + 98540784431.

It is an arithmetic number, because the mean of its divisors is an integer number (2660601176910).

Almost surely, 220102320003218 is an apocalyptic number.

20102320003218 is an abundant number, since it is smaller than the sum of its proper divisors (22467298827342).

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

20102320003218 is a wasteful number, since it uses less digits than its factorization.

20102320003218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197081568681.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 20102320003218 in words is "twenty trillion, one hundred two billion, three hundred twenty million, three thousand, two hundred eighteen".

Divisors: 1 2 3 6 17 34 51 102 197081568659 394163137318 591244705977 1182489411954 3350386667203 6700773334406 10051160001609 20102320003218