Base | Representation |
---|---|
bin | 1101110100001000100100… |
… | …10011001000100111000001 |
3 | 10222120011111121111121212200 |
4 | 12322010102103020213001 |
5 | 12440210343314043442 |
6 | 144335424024143413 |
7 | 6253532202224256 |
oct | 672042223104701 |
9 | 128504447447780 |
10 | 30378610690497 |
11 | 9752550847663 |
12 | 34a76b3307b69 |
13 | 13c48c95c8124 |
14 | 77049293942d |
15 | 37a33d9c434c |
hex | 1ba1124c89c1 |
30378610690497 has 12 divisors (see below), whose sum is σ = 46461404585700. Its totient is φ = 19061089060608.
The previous prime is 30378610690481. The next prime is 30378610690523. The reversal of 30378610690497 is 79409601687303.
30378610690497 is a `hidden beast` number, since 3 + 0 + 3 + 7 + 8 + 610 + 6 + 9 + 0 + 4 + 9 + 7 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 27601668405441 + 2776942285056 = 5253729^2 + 1666416^2 .
It is not a de Polignac number, because 30378610690497 - 24 = 30378610690481 is a prime.
It is a super-2 number, since 2×303786106904972 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30378610690427) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99276505372 + ... + 99276505677.
It is an arithmetic number, because the mean of its divisors is an integer number (3871783715475).
Almost surely, 230378610690497 is an apocalyptic number.
It is an amenable number.
30378610690497 is a deficient number, since it is larger than the sum of its proper divisors (16082793895203).
30378610690497 is a wasteful number, since it uses less digits than its factorization.
30378610690497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198553011072 (or 198553011069 counting only the distinct ones).
The product of its (nonzero) digits is 41150592, while the sum is 63.
The spelling of 30378610690497 in words is "thirty trillion, three hundred seventy-eight billion, six hundred ten million, six hundred ninety thousand, four hundred ninety-seven".
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