Base | Representation |
---|---|
bin | 11100001000001011… |
… | …100001101101001010 |
3 | 2212221211102002121100 |
4 | 130020023201231022 |
5 | 443323203313232 |
6 | 21512525522230 |
7 | 2116301565402 |
oct | 341013415512 |
9 | 85854362540 |
10 | 30202010442 |
11 | 1189927a50a |
12 | 5a2a713376 |
13 | 2b041a44c6 |
14 | 16671d1802 |
15 | bbb72dc7c |
hex | 7082e1b4a |
30202010442 has 12 divisors (see below), whose sum is σ = 65437689330. Its totient is φ = 10067336808.
The previous prime is 30202010437. The next prime is 30202010471. The reversal of 30202010442 is 24401020203.
30202010442 is a `hidden beast` number, since 3 + 0 + 20 + 201 + 0 + 442 = 666.
It can be written as a sum of positive squares in only one way, i.e., 27795224961 + 2406785481 = 166719^2 + 49059^2 .
It is a super-2 number, since 2×302020104422 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1677889469 = 30202010442 / (3 + 0 + 2 + 0 + 2 + 0 + 1 + 0 + 4 + 4 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 838944717 + ... + 838944752.
Almost surely, 230202010442 is an apocalyptic number.
30202010442 is an abundant number, since it is smaller than the sum of its proper divisors (35235678888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30202010442 is a wasteful number, since it uses less digits than its factorization.
30202010442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1677889477 (or 1677889474 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 30202010442 its reverse (24401020203), we get a palindrome (54603030645).
The spelling of 30202010442 in words is "thirty billion, two hundred two million, ten thousand, four hundred forty-two".
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