Base | Representation |
---|---|
bin | 1001001100001100000110… |
… | …00111111001001000100000 |
3 | 2122120001121010001100022202 |
4 | 10212012003013321020200 |
5 | 10122110110334341000 |
6 | 110552204441152332 |
7 | 4154061106123211 |
oct | 446060307711040 |
9 | 78501533040282 |
10 | 20210021012000 |
11 | 6492026a94936 |
12 | 2324a0718b6a8 |
13 | b37a487692c1 |
14 | 4dc2551b1408 |
15 | 250a97e68dd5 |
hex | 1261831f9220 |
20210021012000 has 96 divisors (see below), whose sum is σ = 49853856858624. Its totient is φ = 8051800800000.
The previous prime is 20210021011933. The next prime is 20210021012017. The reversal of 20210021012000 is 21012001202.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9060752 + ... + 11068751.
It is an arithmetic number, because the mean of its divisors is an integer number (519311008944).
Almost surely, 220210021012000 is an apocalyptic number.
20210021012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20210021012000 is an abundant number, since it is smaller than the sum of its proper divisors (29643835846624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20210021012000 is a wasteful number, since it uses less digits than its factorization.
20210021012000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20129779 (or 20129761 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 20210021012000 its reverse (21012001202), we get a palindrome (20231033013202).
The spelling of 20210021012000 in words is "twenty trillion, two hundred ten billion, twenty-one million, twelve thousand".
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