Base | Representation |
---|---|
bin | 1110000010000100000000… |
… | …11010011101101000000000 |
3 | 11001020220211021201220102020 |
4 | 13001002000122131220000 |
5 | 13021031021031201300 |
6 | 145343333550521440 |
7 | 6333234111613500 |
oct | 701020032355000 |
9 | 131226737656366 |
10 | 30857199475200 |
11 | 99175127270aa |
12 | 35643b9806280 |
13 | 142aa8a893a27 |
14 | 7896d4285a00 |
15 | 3879eea2d8a0 |
hex | 1c108069da00 |
30857199475200 has 720 divisors, whose sum is σ = 118646440365024. Its totient is φ = 7048959590400.
The previous prime is 30857199475139. The next prime is 30857199475211. The reversal of 30857199475200 is 257499175803.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4209135535 + ... + 4209142865.
Almost surely, 230857199475200 is an apocalyptic number.
30857199475200 is a gapful number since it is divisible by the number (30) 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 30857199475200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59323220182512).
30857199475200 is an abundant number, since it is smaller than the sum of its proper divisors (87789240889824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30857199475200 is a wasteful number, since it uses less digits than its factorization.
30857199475200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9613 (or 9585 counting only the distinct ones).
The product of its (nonzero) digits is 19051200, while the sum is 60.
The spelling of 30857199475200 in words is "thirty trillion, eight hundred fifty-seven billion, one hundred ninety-nine million, four hundred seventy-five thousand, two hundred".
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