Base | Representation |
---|---|
bin | 11011001100111100… |
… | …110001010010100000 |
3 | 2210101120112200110000 |
4 | 123030330301102200 |
5 | 434304310130433 |
6 | 21230150540000 |
7 | 2052544223562 |
oct | 331474612240 |
9 | 83346480400 |
10 | 29208286368 |
11 | 11429352948 |
12 | 57b1967600 |
13 | 29a6353ab1 |
14 | 15b1239332 |
15 | b5e38c113 |
hex | 6ccf314a0 |
29208286368 has 120 divisors (see below), whose sum is σ = 85957527348. Its totient is φ = 9729662976.
The previous prime is 29208286363. The next prime is 29208286399. The reversal of 29208286368 is 86368280292.
It can be written as a sum of positive squares in 2 ways, for example, as 29204075664 + 4210704 = 170892^2 + 2052^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (29208286363) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5474230 + ... + 5479562.
Almost surely, 229208286368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29208286368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42978763674).
29208286368 is an abundant number, since it is smaller than the sum of its proper divisors (56749240980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29208286368 is a wasteful number, since it uses less digits than its factorization.
29208286368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7468 (or 7451 counting only the distinct ones).
The product of its (nonzero) digits is 3981312, while the sum is 54.
The spelling of 29208286368 in words is "twenty-nine billion, two hundred eight million, two hundred eighty-six thousand, three hundred sixty-eight".
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