Base | Representation |
---|---|
bin | 1001011000011010110101… |
… | …01111100110011101111100 |
3 | 2201001020021121200120210100 |
4 | 10230031122233212131330 |
5 | 10201001223042203320 |
6 | 111513223422241100 |
7 | 4226325556430322 |
oct | 454153257463574 |
9 | 81036247616710 |
10 | 20630250350460 |
11 | 6634270547673 |
12 | 2392345126190 |
13 | b6856913c3aa |
14 | 51471bcb7d12 |
15 | 25b9907d0790 |
hex | 12c35abe677c |
20630250350460 has 144 divisors (see below), whose sum is σ = 63305709903072. Its totient is φ = 5437648704000.
The previous prime is 20630250350429. The next prime is 20630250350483. The reversal of 20630250350460 is 6405305203602.
20630250350460 is a `hidden beast` number, since 2 + 0 + 63 + 0 + 2 + 503 + 50 + 46 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9705070 + ... + 11638250.
It is an arithmetic number, because the mean of its divisors is an integer number (439622985438).
Almost surely, 220630250350460 is an apocalyptic number.
20630250350460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20630250350460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31652854951536).
20630250350460 is an abundant number, since it is smaller than the sum of its proper divisors (42675459552612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20630250350460 is a wasteful number, since it uses less digits than its factorization.
20630250350460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1933884 (or 1933879 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 36.
The spelling of 20630250350460 in words is "twenty trillion, six hundred thirty billion, two hundred fifty million, three hundred fifty thousand, four hundred sixty".
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