Base | Representation |
---|---|
bin | 100111010001011111110111… |
… | …1010110011110010010010100 |
3 | 1200022010221100210110021211020 |
4 | 1032202333233112132102110 |
5 | 330234343240214333140 |
6 | 3222414411310241140 |
7 | 132523056511016634 |
oct | 11642775726362224 |
9 | 1608127323407736 |
10 | 345452530230420 |
11 | a0087660428018 |
12 | 328b30214b61b0 |
13 | 11a9b0593c6b42 |
14 | 6143dc522a6c4 |
15 | 29e102e2386d0 |
hex | 13a2fef59e494 |
345452530230420 has 48 divisors (see below), whose sum is σ = 967291407351360. Its totient is φ = 92118358279936.
The previous prime is 345452530230419. The next prime is 345452530230427. The reversal of 345452530230420 is 24032035254543.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345452530230427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69982377 + ... + 74755856.
It is an arithmetic number, because the mean of its divisors is an integer number (20151904319820).
Almost surely, 2345452530230420 is an apocalyptic number.
345452530230420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
345452530230420 is an abundant number, since it is smaller than the sum of its proper divisors (621838877120940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345452530230420 is a wasteful number, since it uses less digits than its factorization.
345452530230420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144778024 (or 144778022 counting only the distinct ones).
The product of its (nonzero) digits is 1728000, while the sum is 42.
Adding to 345452530230420 its reverse (24032035254543), we get a palindrome (369484565484963).
The spelling of 345452530230420 in words is "three hundred forty-five trillion, four hundred fifty-two billion, five hundred thirty million, two hundred thirty thousand, four hundred twenty".
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