Base | Representation |
---|---|
bin | 111110100111010… |
… | …1101111001100110 |
3 | 12102102102100221000 |
4 | 1331032231321212 |
5 | 13300324310042 |
6 | 544251534130 |
7 | 103031201436 |
oct | 17516557146 |
9 | 5372370830 |
10 | 2101010022 |
11 | 988a68a21 |
12 | 4a775a346 |
13 | 2763827c7 |
14 | 15d0702c6 |
15 | c46b674c |
hex | 7d3ade66 |
2101010022 has 32 divisors (see below), whose sum is σ = 4705689600. Its totient is φ = 694819944.
The previous prime is 2101010011. The next prime is 2101010069. The reversal of 2101010022 is 2200101012.
It is a super-2 number, since 2×21010100222 = 8828486225088880968, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2101009986 and 2101010013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146322 + ... + 160037.
It is an arithmetic number, because the mean of its divisors is an integer number (147052800).
Almost surely, 22101010022 is an apocalyptic number.
2101010022 is an abundant number, since it is smaller than the sum of its proper divisors (2604679578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101010022 is a wasteful number, since it uses less digits than its factorization.
2101010022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306497 (or 306491 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 2101010022 is about 45836.7758682916. The cubic root of 2101010022 is about 1280.7844357531.
Adding to 2101010022 its reverse (2200101012), we get a palindrome (4301111034).
The spelling of 2101010022 in words is "two billion, one hundred one million, ten thousand, twenty-two".
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