Base | Representation |
---|---|
bin | 1110000100100011001010… |
… | …01010111111001000000000 |
3 | 11001120002100220111200000000 |
4 | 13002101211022333020000 |
5 | 13023431012243413300 |
6 | 145450504200000000 |
7 | 6342350336326554 |
oct | 702214512771000 |
9 | 131502326450000 |
10 | 30942641779200 |
11 | 994a77867a788 |
12 | 3578a84160000 |
13 | 1435b5638b168 |
14 | 78d8bbb39864 |
15 | 389d50bc1c00 |
hex | 1c24652bf200 |
30942641779200 has 810 divisors, whose sum is σ = 115178125572081. Its totient is φ = 8237777448960.
The previous prime is 30942641779183. The next prime is 30942641779213. The reversal of 30942641779200 is 297714624903.
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.
30942641779200 is a `hidden beast` number, since 3 + 0 + 9 + 4 + 264 + 177 + 9 + 200 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 30323788943616 + 618852835584 = 5506704^2 + 786672^2 .
It is a tau number, because it is divible by the number of its divisors (810).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=3933360.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 50976345297 + ... + 50976345903.
Almost surely, 230942641779200 is an apocalyptic number.
30942641779200 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 30942641779200
30942641779200 is an abundant number, since it is smaller than the sum of its proper divisors (84235483792881).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30942641779200 is an frugal number, since it uses more digits than its factorization.
30942641779200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1266 (or 617 counting only the distinct ones).
The product of its (nonzero) digits is 4572288, while the sum is 54.
The spelling of 30942641779200 in words is "thirty trillion, nine hundred forty-two billion, six hundred forty-one million, seven hundred seventy-nine thousand, two hundred".
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