Base | Representation |
---|---|
bin | 1001011111010101011… |
… | …0101100010001100101 |
3 | 120120210212000001010100 |
4 | 2113311112230101211 |
5 | 10132341210001024 |
6 | 202521154014313 |
7 | 14531016315252 |
oct | 2276526542145 |
9 | 516725001110 |
10 | 163030156389 |
11 | 63160300541 |
12 | 2771a577399 |
13 | 124b1c7c379 |
14 | 7c6812a429 |
15 | 43929db7c9 |
hex | 25f55ac465 |
163030156389 has 6 divisors (see below), whose sum is σ = 235488003686. Its totient is φ = 108686770920.
The previous prime is 163030156381. The next prime is 163030156423. The reversal of 163030156389 is 983651030361.
163030156389 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 3 + 0 + 1 + 5 + 638 + 9 = 666.
It can be written as a sum of positive squares in only one way, i.e., 141106912164 + 21923244225 = 375642^2 + 148065^2 .
It is not a de Polignac number, because 163030156389 - 23 = 163030156381 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163030156381) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9057230902 + ... + 9057230919.
Almost surely, 2163030156389 is an apocalyptic number.
It is an amenable number.
163030156389 is a deficient number, since it is larger than the sum of its proper divisors (72457847297).
163030156389 is a wasteful number, since it uses less digits than its factorization.
163030156389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18114461827 (or 18114461824 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 45.
The spelling of 163030156389 in words is "one hundred sixty-three billion, thirty million, one hundred fifty-six thousand, three hundred eighty-nine".
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