Base | Representation |
---|---|
bin | 1001100011111000110100… |
… | …00011011100011000101000 |
3 | 2202102220101202102200012100 |
4 | 10301330122003130120220 |
5 | 10223430232304233412 |
6 | 112414233033213400 |
7 | 4266645542411343 |
oct | 461743203343050 |
9 | 82386352380170 |
10 | 21024302024232 |
11 | 67763a1432481 |
12 | 2436798261260 |
13 | b96777304b70 |
14 | 52982007d45a |
15 | 266d54d9bedc |
hex | 131f1a0dc628 |
21024302024232 has 96 divisors (see below), whose sum is σ = 61321918137480. Its totient is φ = 6468906585600.
The previous prime is 21024302024213. The next prime is 21024302024237. The reversal of 21024302024232 is 23242020342012.
21024302024232 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 4 + 30 + 202 + 423 + 2 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 8393570831556 + 12630731192676 = 2897166^2 + 3553974^2 .
It is a super-2 number, since 2×210243020242322 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 21024302024196 and 21024302024205.
It is not an unprimeable number, because it can be changed into a prime (21024302024237) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68396482 + ... + 68703182.
Almost surely, 221024302024232 is an apocalyptic number.
It is an amenable number.
21024302024232 is an abundant number, since it is smaller than the sum of its proper divisors (40297616113248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21024302024232 is a wasteful number, since it uses less digits than its factorization.
21024302024232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379963 (or 379956 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
Adding to 21024302024232 its reverse (23242020342012), we get a palindrome (44266322366244).
The spelling of 21024302024232 in words is "twenty-one trillion, twenty-four billion, three hundred two million, twenty-four thousand, two hundred thirty-two".
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