Base | Representation |
---|---|
bin | 1001010011000000110001… |
… | …1000111100101101110100 |
3 | 1100012020100210020112022102 |
4 | 2110300030120330231310 |
5 | 2314440111341444340 |
6 | 33424005545521232 |
7 | 2103350250423044 |
oct | 224601430745564 |
9 | 40166323215272 |
10 | 10222230031220 |
11 | 32912503a5749 |
12 | 11911781a3218 |
13 | 591c4bb69c0c |
14 | 274a8974d724 |
15 | 12ad84cd3215 |
hex | 94c0c63cb74 |
10222230031220 has 24 divisors (see below), whose sum is σ = 21871714823784. Its totient is φ = 4011743106176.
The previous prime is 10222230031213. The next prime is 10222230031231. The reversal of 10222230031220 is 2213003222201.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4966426188304 + 5255803842916 = 2228548^2 + 2292554^2 .
It is a super-2 number, since 2×102222300312202 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 10222230031192 and 10222230031201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4821805559 + ... + 4821807678.
It is an arithmetic number, because the mean of its divisors is an integer number (911321450991).
Almost surely, 210222230031220 is an apocalyptic number.
10222230031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10222230031220 is an abundant number, since it is smaller than the sum of its proper divisors (11649484792564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10222230031220 is a wasteful number, since it uses less digits than its factorization.
10222230031220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9643613299 (or 9643613297 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 10222230031220 its reverse (2213003222201), we get a palindrome (12435233253421).
The spelling of 10222230031220 in words is "ten trillion, two hundred twenty-two billion, two hundred thirty million, thirty-one thousand, two hundred twenty".
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