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100202102021101 = 193613846952489
BaseRepresentation
bin10110110010001000011110…
…101100100101101111101101
3111010210020010202220221122111
4112302020132230211233231
5101113202401104133401
6553040113222244021
730051235333031533
oct2662103654455755
9433706122827574
10100202102021101
1129a225223669a3
12b2a3a09286611
1343bb02caacb92
141aa5b44148153
15b8b747559e51
hex5b221eb25bed

100202102021101 has 8 divisors (see below), whose sum is σ = 100885592798840. Its totient is φ = 99520305149952.

The previous prime is 100202102021081. The next prime is 100202102021113. The reversal of 100202102021101 is 101120201202001.

It can be written as a sum of positive squares in 4 ways, for example, as 2289078220900 + 97913023800201 = 1512970^2 + 9895101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100202102021101 - 243 = 91406008998893 is a prime.

It is a super-5 number, since 5×1002021020211015 (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202102001101) 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, 423357936 + ... + 423594553.

It is an arithmetic number, because the mean of its divisors is an integer number (12610699099855).

Almost surely, 2100202102021101 is an apocalyptic number.

It is an amenable number.

100202102021101 is a deficient number, since it is larger than the sum of its proper divisors (683490777739).

100202102021101 is an equidigital number, since it uses as much as digits as its factorization.

100202102021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846953295.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100202102021101 its reverse (101120201202001), we get a palindrome (201322303223102).

The spelling of 100202102021101 in words is "one hundred trillion, two hundred two billion, one hundred two million, twenty-one thousand, one hundred one".

Divisors: 1 193 613 118309 846952489 163461830377 519181875757 100202102021101