Base | Representation |
---|---|
bin | 101010010011111010… |
… | …010110101111101110 |
3 | 11100021011212011101100 |
4 | 222103322112233232 |
5 | 1221020343034410 |
6 | 32512032423530 |
7 | 3165554003013 |
oct | 522372265756 |
9 | 140234764340 |
10 | 45431221230 |
11 | 182a3815a2a |
12 | 897a9a7ba6 |
13 | 4390364535 |
14 | 22ada3d70a |
15 | 12ad71c8c0 |
hex | a93e96bee |
45431221230 has 24 divisors (see below), whose sum is σ = 118121175432. Its totient is φ = 12114992304.
The previous prime is 45431221229. The next prime is 45431221249. The reversal of 45431221230 is 3212213454.
45431221230 is a `hidden beast` number, since 4 + 5 + 431 + 221 + 2 + 3 + 0 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 45431221194 and 45431221203.
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, 252395584 + ... + 252395763.
It is an arithmetic number, because the mean of its divisors is an integer number (4921715643).
Almost surely, 245431221230 is an apocalyptic number.
45431221230 is an abundant number, since it is smaller than the sum of its proper divisors (72689954202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45431221230 is a wasteful number, since it uses less digits than its factorization.
45431221230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 504791360 (or 504791357 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 45431221230 its reverse (3212213454), we get a palindrome (48643434684).
The spelling of 45431221230 in words is "forty-five billion, four hundred thirty-one million, two hundred twenty-one thousand, two hundred thirty".
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