Base | Representation |
---|---|
bin | 11011001101011100… |
… | …110010100000000000 |
3 | 2210102011100010020220 |
4 | 123031130302200000 |
5 | 434313432224221 |
6 | 21231050503040 |
7 | 2053005452613 |
oct | 331534624000 |
9 | 83364303226 |
10 | 29216679936 |
11 | 11433066084 |
12 | 57b4734a80 |
13 | 29a80023c2 |
14 | 15b23c217a |
15 | b5ee990c6 |
hex | 6cd732800 |
29216679936 has 384 divisors, whose sum is σ = 85593231360. Its totient is φ = 8837464064.
The previous prime is 29216679923. The next prime is 29216679953. The reversal of 29216679936 is 63997661292.
It is a tau number, because it is divible by the number of its divisors (384).
It is a super-2 number, since 2×292166799362 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 29216679936.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352008151 + ... + 352008233.
It is an arithmetic number, because the mean of its divisors is an integer number (222899040).
Almost surely, 229216679936 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 29216679936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42796615680).
29216679936 is an abundant number, since it is smaller than the sum of its proper divisors (56376551424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29216679936 is a wasteful number, since it uses less digits than its factorization.
29216679936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231 (or 211 counting only the distinct ones).
The product of its digits is 13226976, while the sum is 60.
The spelling of 29216679936 in words is "twenty-nine billion, two hundred sixteen million, six hundred seventy-nine thousand, nine hundred thirty-six".
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