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20102010233212 = 22107268917466461
BaseRepresentation
bin1001001001000010111010…
…01011011110000101111100
32122011201210122201021110101
410210201131023132011330
510113322404104430322
6110430422551250444
74143215360502415
oct444413513360574
978151718637411
1020102010233212
11645023a79a0a6
122307aa2679a24
13b2a7c441158b
144d6d2a27c80c
1524cd75805327
hex12485d2de17c

20102010233212 has 24 divisors (see below), whose sum is σ = 35520495781680. Its totient is φ = 9953367029760.

The previous prime is 20102010233171. The next prime is 20102010233219. The reversal of 20102010233212 is 21233201020102.

20102010233212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 20102010233212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102010233219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7582339 + ... + 9884122.

It is an arithmetic number, because the mean of its divisors is an integer number (1480020657570).

Almost surely, 220102010233212 is an apocalyptic number.

It is an amenable number.

20102010233212 is a deficient number, since it is larger than the sum of its proper divisors (15418485548468).

20102010233212 is a wasteful number, since it uses less digits than its factorization.

20102010233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17469261 (or 17469259 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20102010233212 its reverse (21233201020102), we get a palindrome (41335211253314).

The spelling of 20102010233212 in words is "twenty trillion, one hundred two billion, ten million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 107 214 428 2689 5378 10756 287723 575446 1150892 17466461 34932922 69865844 1868911327 3737822654 7475645308 46967313629 93934627258 187869254516 5025502558303 10051005116606 20102010233212