Base | Representation |
---|---|
bin | 11011001111100011… |
… | …110110110111111001 |
3 | 2210111121222000000100 |
4 | 123033203312313321 |
5 | 434402013243124 |
6 | 21234353430013 |
7 | 2053615432215 |
oct | 331743666771 |
9 | 83447860010 |
10 | 29252087289 |
11 | 1145104a157 |
12 | 580456b309 |
13 | 29b244b6b9 |
14 | 15b6d9b945 |
15 | b631401c9 |
hex | 6cf8f6df9 |
29252087289 has 48 divisors (see below), whose sum is σ = 46232169984. Its totient is φ = 17742758400.
The previous prime is 29252087243. The next prime is 29252087299. The reversal of 29252087289 is 98278025292.
29252087289 is a `hidden beast` number, since 2 + 92 + 520 + 8 + 7 + 28 + 9 = 666.
It is not a de Polignac number, because 29252087289 - 29 = 29252086777 is a prime.
It is a super-2 number, since 2×292520872892 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (29252087219) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5171787 + ... + 5177439.
It is an arithmetic number, because the mean of its divisors is an integer number (963170208).
Almost surely, 229252087289 is an apocalyptic number.
It is an amenable number.
29252087289 is a deficient number, since it is larger than the sum of its proper divisors (16980082695).
29252087289 is a wasteful number, since it uses less digits than its factorization.
29252087289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6798 (or 6795 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The spelling of 29252087289 in words is "twenty-nine billion, two hundred fifty-two million, eighty-seven thousand, two hundred eighty-nine".
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