Base | Representation |
---|---|
bin | 1110111101110110000… |
… | …0100111100000000000 |
3 | 220120200002111010011102 |
4 | 3233131200213200000 |
5 | 13203040030314400 |
6 | 314041412433532 |
7 | 24401441501000 |
oct | 3573540474000 |
9 | 816602433142 |
10 | 257119385600 |
11 | 9a053210000 |
12 | 419b89188a8 |
13 | 1b3280351ac |
14 | c632168000 |
15 | 6a4cd669d5 |
hex | 3bdd827800 |
257119385600 has 720 divisors, whose sum is σ = 817779690000. Its totient is φ = 80141107200.
The previous prime is 257119385581. The next prime is 257119385603. The reversal of 257119385600 is 6583911752.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a super-2 number, since 2×2571193856002 (a number of 24 digits) contains 22 as substring.
It is an enlightened number because it begins with the concatenation of its prime factors (25711).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (257119385603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 23374489595 + ... + 23374489605.
It is an arithmetic number, because the mean of its divisors is an integer number (1135805125).
Almost surely, 2257119385600 is an apocalyptic number.
257119385600 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 257119385600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408889845000).
257119385600 is an abundant number, since it is smaller than the sum of its proper divisors (560660304400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
257119385600 is an frugal number, since it uses more digits than its factorization.
257119385600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97 (or 25 counting only the distinct ones).
The product of its (nonzero) digits is 453600, while the sum is 47.
The spelling of 257119385600 in words is "two hundred fifty-seven billion, one hundred nineteen million, three hundred eighty-five thousand, six hundred".
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