Base | Representation |
---|---|
bin | 11011000111101110… |
… | …011001110100100000 |
3 | 2210011110121111012100 |
4 | 123013232121310200 |
5 | 434114340243034 |
6 | 21213340130400 |
7 | 2050431210000 |
oct | 330756316440 |
9 | 83143544170 |
10 | 29120634144 |
11 | 11393925498 |
12 | 5788536a00 |
13 | 2991144684 |
14 | 15a3740000 |
15 | b56826099 |
hex | 6c7b99d20 |
29120634144 has 360 divisors, whose sum is σ = 100863427392. Its totient is φ = 7954087680.
The previous prime is 29120634119. The next prime is 29120634149. The reversal of 29120634144 is 44143602192.
29120634144 is a `hidden beast` number, since 2 + 9 + 1 + 2 + 0 + 634 + 14 + 4 = 666.
It is a super-3 number, since 3×291206341443 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 29120634099 and 29120634108.
It is not an unprimeable number, because it can be changed into a prime (29120634149) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 15903309 + ... + 15905139.
Almost surely, 229120634144 is an apocalyptic number.
29120634144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29120634144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50431713696).
29120634144 is an abundant number, since it is smaller than the sum of its proper divisors (71742793248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29120634144 is a wasteful number, since it uses less digits than its factorization.
29120634144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1898 (or 1866 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The spelling of 29120634144 in words is "twenty-nine billion, one hundred twenty million, six hundred thirty-four thousand, one hundred forty-four".
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