Base | Representation |
---|---|
bin | 10001111011011010101… |
… | …110101111000010001100 |
3 | 11100210002022102111220202 |
4 | 101323122232233002030 |
5 | 130141144231043040 |
6 | 2341553101433032 |
7 | 155003601011216 |
oct | 21733256570214 |
9 | 4323068374822 |
10 | 1232030331020 |
11 | 435557003945 |
12 | 17a93856b778 |
13 | 8c2454b69b8 |
14 | 438b84855b6 |
15 | 220abbb9015 |
hex | 11edabaf08c |
1232030331020 has 12 divisors (see below), whose sum is σ = 2587263695184. Its totient is φ = 492812132400.
The previous prime is 1232030331019. The next prime is 1232030331023. The reversal of 1232030331020 is 201330302321.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 61601516551 = 1232030331020 / (1 + 2 + 3 + 2 + 0 + 3 + 0 + 3 + 3 + 1 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 1232030330983 and 1232030331001.
It is not an unprimeable number, because it can be changed into a prime (1232030331023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30800758256 + ... + 30800758295.
It is an arithmetic number, because the mean of its divisors is an integer number (215605307932).
Almost surely, 21232030331020 is an apocalyptic number.
1232030331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1232030331020 is an abundant number, since it is smaller than the sum of its proper divisors (1355233364164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232030331020 is a wasteful number, since it uses less digits than its factorization.
1232030331020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61601516560 (or 61601516558 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 1232030331020 its reverse (201330302321), we get a palindrome (1433360633341).
The spelling of 1232030331020 in words is "one trillion, two hundred thirty-two billion, thirty million, three hundred thirty-one thousand, twenty".
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