Base | Representation |
---|---|
bin | 1001001100001100010010… |
… | …01001001011010101101010 |
3 | 2122120001212011002200021212 |
4 | 10212012021021023111222 |
5 | 10122110312213341020 |
6 | 110552222450033122 |
7 | 4154063443451660 |
oct | 446061111132552 |
9 | 78501764080255 |
10 | 20210122012010 |
11 | 6492078aa9717 |
12 | 2324a34b787a2 |
13 | b37a63670018 |
14 | 4dc264782c30 |
15 | 250aa1c69cc5 |
hex | 12618924b56a |
20210122012010 has 32 divisors (see below), whose sum is σ = 41684805048960. Its totient is φ = 6910901871552.
The previous prime is 20210122011997. The next prime is 20210122012019. The reversal of 20210122012010 is 1021022101202.
It is a super-2 number, since 2×202101220120102 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is not an unprimeable number, because it can be changed into a prime (20210122012019) by changing a digit.
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, 380865329 + ... + 380918388.
It is an arithmetic number, because the mean of its divisors is an integer number (1302650157780).
Almost surely, 220210122012010 is an apocalyptic number.
20210122012010 is an abundant number, since it is smaller than the sum of its proper divisors (21474683036950).
20210122012010 is a wasteful number, since it uses less digits than its factorization.
20210122012010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 761784110.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 20210122012010 its reverse (1021022101202), we get a palindrome (21231144113212).
The spelling of 20210122012010 in words is "twenty trillion, two hundred ten billion, one hundred twenty-two million, twelve thousand, ten".
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