Base | Representation |
---|---|
bin | 11101011010001101001… |
… | …010101010100101001110 |
3 | 21011012120011201102121100 |
4 | 131122031022222211032 |
5 | 231103003232344210 |
6 | 4144234100243530 |
7 | 266004224110323 |
oct | 35321512524516 |
9 | 7135504642540 |
10 | 2021003012430 |
11 | 70a1145709a6 |
12 | 2878259a05a6 |
13 | 11876c99238c |
14 | 6db62068b4a |
15 | 37886d225c0 |
hex | 1d68d2aa94e |
2021003012430 has 48 divisors (see below), whose sum is σ = 5353751388960. Its totient is φ = 528765566784.
The previous prime is 2021003012423. The next prime is 2021003012437. The reversal of 2021003012430 is 342103001202.
2021003012430 is a `hidden beast` number, since 20 + 2 + 100 + 301 + 243 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (2021003012423) and next prime (2021003012437).
It is a super-2 number, since 2×20210030124302 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2021003012437) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211840410 + ... + 211849949.
It is an arithmetic number, because the mean of its divisors is an integer number (111536487270).
Almost surely, 22021003012430 is an apocalyptic number.
2021003012430 is an abundant number, since it is smaller than the sum of its proper divisors (3332748376530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021003012430 is a wasteful number, since it uses less digits than its factorization.
2021003012430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 423690425 (or 423690422 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 2021003012430 its reverse (342103001202), we get a palindrome (2363106013632).
The spelling of 2021003012430 in words is "two trillion, twenty-one billion, three million, twelve thousand, four hundred thirty".
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