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20101210102110 = 2354391526287783
BaseRepresentation
bin1001001001000001011010…
…11111001101100101011110
32122011122201220010101221010
410210200231133031211132
510113314234241231420
6110430211325520050
74143156503501604
oct444405537154536
978148656111833
1020101210102110
11644a96a079825
1223078ba713026
13b2a6c7713b17
144d6c91cbb874
1524cd2a4544e0
hex12482d7cd95e

20101210102110 has 32 divisors (see below), whose sum is σ = 48352796997120. Its totient is φ = 5348112388128.

The previous prime is 20101210102027. The next prime is 20101210102117. The reversal of 20101210102110 is 1120101210102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101210102117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763130722 + ... + 763157061.

It is an arithmetic number, because the mean of its divisors is an integer number (1511024906160).

Almost surely, 220101210102110 is an apocalyptic number.

20101210102110 is an abundant number, since it is smaller than the sum of its proper divisors (28251586895010).

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

20101210102110 is a wasteful number, since it uses less digits than its factorization.

20101210102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526288232.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20101210102110 its reverse (1120101210102), we get a palindrome (21221311312212).

The spelling of 20101210102110 in words is "twenty trillion, one hundred one billion, two hundred ten million, one hundred two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 439 878 1317 2195 2634 4390 6585 13170 1526287783 3052575566 4578863349 7631438915 9157726698 15262877830 22894316745 45788633490 670040336737 1340080673474 2010121010211 3350201683685 4020242020422 6700403367370 10050605051055 20101210102110