Base | Representation |
---|---|
bin | 100011000011110001001101… |
… | …1001010111111001110110000 |
3 | 1111102212221220220020221111210 |
4 | 1012013202123022333032300 |
5 | 310410004302312423322 |
6 | 3011512220510240120 |
7 | 121645544661312540 |
oct | 10607423312771660 |
9 | 1442787826227453 |
10 | 308381255201712 |
11 | 8a294835095720 |
12 | 2a70642a4b6040 |
13 | 1030c2c6010a94 |
14 | 5621a37971320 |
15 | 259ba8674370c |
hex | 118789b2bf3b0 |
308381255201712 has 320 divisors, whose sum is σ = 1044572521365504. Its totient is φ = 76013179038720.
The previous prime is 308381255201707. The next prime is 308381255201713. The reversal of 308381255201712 is 217102552183803.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (308381255201713) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3486163 + ... + 25078194.
Almost surely, 2308381255201712 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 308381255201712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522286260682752).
308381255201712 is an abundant number, since it is smaller than the sum of its proper divisors (736191266163792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308381255201712 is a wasteful number, since it uses less digits than its factorization.
308381255201712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28564536 (or 28564530 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 48.
The spelling of 308381255201712 in words is "three hundred eight trillion, three hundred eighty-one billion, two hundred fifty-five million, two hundred one thousand, seven hundred twelve".
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