Base | Representation |
---|---|
bin | 1001000110000111001001… |
… | …00110110010001001100110 |
3 | 2121211002121020022102202120 |
4 | 10203003210212302021212 |
5 | 10110144430443233220 |
6 | 110312231552450410 |
7 | 4133016313150533 |
oct | 443034446621146 |
9 | 77732536272676 |
10 | 20001203102310 |
11 | 641150a7a2671 |
12 | 22b044a549a06 |
13 | b2114a6232b1 |
14 | 4d20c5d57d8a |
15 | 24a4257d5a40 |
hex | 1230e49b2266 |
20001203102310 has 32 divisors (see below), whose sum is σ = 48003406836192. Its totient is φ = 5333596450560.
The previous prime is 20001203102281. The next prime is 20001203102323. The reversal of 20001203102310 is 1320130210002.
It is a super-2 number, since 2×200012031023102 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20001203102310.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 750951 + ... + 6369170.
It is an arithmetic number, because the mean of its divisors is an integer number (1500106463631).
Almost surely, 220001203102310 is an apocalyptic number.
20001203102310 is an abundant number, since it is smaller than the sum of its proper divisors (28002203733882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20001203102310 is a wasteful number, since it uses less digits than its factorization.
20001203102310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7213768.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20001203102310 its reverse (1320130210002), we get a palindrome (21321333312312).
The spelling of 20001203102310 in words is "twenty trillion, one billion, two hundred three million, one hundred two thousand, three hundred ten".
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