Base | Representation |
---|---|
bin | 1011000111101000000110… |
… | …0011000111011001110000 |
3 | 1121021202112121002122100000 |
4 | 2301322001203013121300 |
5 | 3100301113000000030 |
6 | 42000215233030000 |
7 | 2401163004462351 |
oct | 261720143073160 |
9 | 47252477078300 |
10 | 12225650390640 |
11 | 3993961a18155 |
12 | 14554b56b5300 |
13 | 6a8b48c04cab |
14 | 303a20589d28 |
15 | 16303d1da860 |
hex | b1e818c7670 |
12225650390640 has 240 divisors, whose sum is σ = 43381839822048. Its totient is φ = 3198660461568.
The previous prime is 12225650390617. The next prime is 12225650390651. The reversal of 12225650390640 is 4609305652221.
12225650390640 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 56 + 503 + 90 + 6 + 4 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (240).
It is a Harshad number since it is a multiple of its sum of digits (45).
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, 4902619 + ... + 6963258.
Almost surely, 212225650390640 is an apocalyptic number.
12225650390640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12225650390640 is an abundant number, since it is smaller than the sum of its proper divisors (31156189431408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12225650390640 is a wasteful number, since it uses less digits than its factorization.
12225650390640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11865958 (or 11865940 counting only the distinct ones).
The product of its (nonzero) digits is 777600, while the sum is 45.
The spelling of 12225650390640 in words is "twelve trillion, two hundred twenty-five billion, six hundred fifty million, three hundred ninety thousand, six hundred forty".
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