Base | Representation |
---|---|
bin | 1101101101100001000101… |
… | …01000101101001001010010 |
3 | 10221202102122120002202201202 |
4 | 12312300202220231021102 |
5 | 12422444230341421223 |
6 | 144043143240031202 |
7 | 6231233056140152 |
oct | 666604250551122 |
9 | 127672576082652 |
10 | 30151251513938 |
11 | 967508a490145 |
12 | 346b621162502 |
13 | 13a933507b3a9 |
14 | 76348503a762 |
15 | 3744836bc428 |
hex | 1b6c22a2d252 |
30151251513938 has 8 divisors (see below), whose sum is σ = 45229498107132. Its totient is φ = 15074752144896.
The previous prime is 30151251513797. The next prime is 30151251513997. The reversal of 30151251513938 is 83931515215103.
It can be written as a sum of positive squares in 2 ways, for example, as 18597078379489 + 11554173134449 = 4312433^2 + 3399143^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30151251513892 and 30151251513901.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436762895 + ... + 436831922.
Almost surely, 230151251513938 is an apocalyptic number.
30151251513938 is a deficient number, since it is larger than the sum of its proper divisors (15078246593194).
30151251513938 is a wasteful number, since it uses less digits than its factorization.
30151251513938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 873612076.
The product of its (nonzero) digits is 486000, while the sum is 47.
The spelling of 30151251513938 in words is "thirty trillion, one hundred fifty-one billion, two hundred fifty-one million, five hundred thirteen thousand, nine hundred thirty-eight".
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