Base | Representation |
---|---|
bin | 1001100100000011101000… |
… | …10111100101111100111000 |
3 | 2202110110101200100100120111 |
4 | 10302001310113211330320 |
5 | 10224024132212114112 |
6 | 112421033350034104 |
7 | 4300242533320423 |
oct | 462016427457470 |
9 | 82413350310514 |
10 | 21030112223032 |
11 | 6778903106870 |
12 | 243793a048934 |
13 | b97191c77813 |
14 | 529c119a29ba |
15 | 267094ee25a7 |
hex | 1320745e5f38 |
21030112223032 has 48 divisors (see below), whose sum is σ = 44448518043000. Its totient is φ = 9250782465600.
The previous prime is 21030112223017. The next prime is 21030112223047. The reversal of 21030112223032 is 23032221103012.
It is an interprime number because it is at equal distance from previous prime (21030112223017) and next prime (21030112223047).
It is a super-2 number, since 2×210301122230322 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 21030112222994 and 21030112223012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124253907 + ... + 124423042.
Almost surely, 221030112223032 is an apocalyptic number.
21030112223032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
21030112223032 is an abundant number, since it is smaller than the sum of its proper divisors (23418405819968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21030112223032 is a wasteful number, since it uses less digits than its factorization.
21030112223032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248677028 (or 248676993 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 21030112223032 its reverse (23032221103012), we get a palindrome (44062333326044).
The spelling of 21030112223032 in words is "twenty-one trillion, thirty billion, one hundred twelve million, two hundred twenty-three thousand, thirty-two".
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