Base | Representation |
---|---|
bin | 101101111011101000011111… |
… | …100011001010000101011001 |
3 | 222111020222011200222001021121 |
4 | 231323220133203022011121 |
5 | 202434213010401010410 |
6 | 1553350042245405241 |
7 | 60356512432666165 |
oct | 5573503743120531 |
9 | 874228150861247 |
10 | 202010021110105 |
11 | 59403a7258750a |
12 | 1a7a6a8b409821 |
13 | 88946039c21b0 |
14 | 37c54a136dca5 |
15 | 1854b26be99da |
hex | b7ba1f8ca159 |
202010021110105 has 16 divisors (see below), whose sum is σ = 261063057006864. Its totient is φ = 149174372229120.
The previous prime is 202010021110103. The next prime is 202010021110109. The reversal of 202010021110105 is 501011120010202.
It can be written as a sum of positive squares in 8 ways, for example, as 17533782776896 + 184476238333209 = 4187336^2 + 13582203^2 .
It is not a de Polignac number, because 202010021110105 - 21 = 202010021110103 is a prime.
It is a super-2 number, since 2×2020100211101052 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (202010021110103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19196616 + ... + 27794425.
It is an arithmetic number, because the mean of its divisors is an integer number (16316441062929).
Almost surely, 2202010021110105 is an apocalyptic number.
It is an amenable number.
202010021110105 is a deficient number, since it is larger than the sum of its proper divisors (59053035896759).
202010021110105 is a wasteful number, since it uses less digits than its factorization.
202010021110105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47057196.
The product of its (nonzero) digits is 40, while the sum is 16.
Adding to 202010021110105 its reverse (501011120010202), we get a palindrome (703021141120307).
The spelling of 202010021110105 in words is "two hundred two trillion, ten billion, twenty-one million, one hundred ten thousand, one hundred five".
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