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20303002202102 = 23710323931113137
BaseRepresentation
bin1001001110111001010010…
…01110111110111111110110
32122212221121010120012110022
410213130221032332333312
510130121022030431402
6111103023114525142
74163562215161124
oct447345116767766
978787533505408
1020303002202102
1165185004991a4
12233aa364367b2
13b437460b8299
14502955dba914
152531dadc12a2
hex1277293beff6

20303002202102 has 32 divisors (see below), whose sum is σ = 31594489722432. Its totient is φ = 9777145457664.

The previous prime is 20303002202081. The next prime is 20303002202143. The reversal of 20303002202102 is 20120220030302.

It is a super-2 number, since 2×203030022021022 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17682878 + ... + 18796014.

It is an arithmetic number, because the mean of its divisors is an integer number (987327803826).

Almost surely, 220303002202102 is an apocalyptic number.

20303002202102 is a deficient number, since it is larger than the sum of its proper divisors (11291487520330).

20303002202102 is a wasteful number, since it uses less digits than its factorization.

20303002202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115672.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20303002202102 its reverse (20120220030302), we get a palindrome (40423222232404).

The spelling of 20303002202102 in words is "twenty trillion, three hundred three billion, two million, two hundred two thousand, one hundred two".

Divisors: 1 2 37 74 103 206 2393 3811 4786 7622 88541 177082 246479 492958 1113137 2226274 9119723 18239446 41186069 82372138 114653111 229306222 2663736841 4242165107 5327473682 8484330214 98558263117 197116526234 274364894623 548729789246 10151501101051 20303002202102