Base | Representation |
---|---|
bin | 1101101000011111010101… |
… | …01110110010101001111010 |
3 | 10221010220210020200021000111 |
4 | 12310033222232302221322 |
5 | 12412131444303042214 |
6 | 143431534542454534 |
7 | 6212606355114442 |
oct | 664175256625172 |
9 | 127126706607014 |
10 | 29978514893434 |
11 | 96088a9134538 |
12 | 3442053b9444a |
13 | 1395c67188343 |
14 | 758d79b5b122 |
15 | 36ec239a65c4 |
hex | 1b43eabb2a7a |
29978514893434 has 16 divisors (see below), whose sum is σ = 44999467815456. Its totient is φ = 14978695870800.
The previous prime is 29978514893429. The next prime is 29978514893507. The reversal of 29978514893434 is 43439841587992.
It is a super-2 number, since 2×299785148934342 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15898749 + ... + 17684095.
It is an arithmetic number, because the mean of its divisors is an integer number (2812466738466).
Almost surely, 229978514893434 is an apocalyptic number.
29978514893434 is a deficient number, since it is larger than the sum of its proper divisors (15020952922022).
29978514893434 is a wasteful number, since it uses less digits than its factorization.
29978514893434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1791261.
The product of its digits is 1881169920, while the sum is 76.
The spelling of 29978514893434 in words is "twenty-nine trillion, nine hundred seventy-eight billion, five hundred fourteen million, eight hundred ninety-three thousand, four hundred thirty-four".
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