Base | Representation |
---|---|
bin | 101111100000011011… |
… | …1011111101111100110 |
3 | 100202022221200001102112 |
4 | 1133000313133233212 |
5 | 3132414111134342 |
6 | 114511203041022 |
7 | 10241102605130 |
oct | 1370067375746 |
9 | 322287601375 |
10 | 102020021222 |
11 | 3a2a2707a29 |
12 | 17932370172 |
13 | 980b176a82 |
14 | 4d1b44c050 |
15 | 29c1754682 |
hex | 17c0ddfbe6 |
102020021222 has 8 divisors (see below), whose sum is σ = 174891464976. Its totient is φ = 43722866232.
The previous prime is 102020021179. The next prime is 102020021251. The reversal of 102020021222 is 222120020201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 7287144373 = 102020021222 / (1 + 0 + 2 + 0 + 2 + 0 + 0 + 2 + 1 + 2 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 102020021197 and 102020021206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3643572173 + ... + 3643572200.
It is an arithmetic number, because the mean of its divisors is an integer number (21861433122).
Almost surely, 2102020021222 is an apocalyptic number.
102020021222 is a deficient number, since it is larger than the sum of its proper divisors (72871443754).
102020021222 is an equidigital number, since it uses as much as digits as its factorization.
102020021222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7287144382.
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 102020021222 its reverse (222120020201), we get a palindrome (324140041423).
The spelling of 102020021222 in words is "one hundred two billion, twenty million, twenty-one thousand, two hundred twenty-two".
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