| Base | Representation |
|---|---|
| bin | 111100010110100000… |
| … | …1001111101100100100 |
| 3 | 110101112100101121202100 |
| 4 | 1320231001033230210 |
| 5 | 4110412201220121 |
| 6 | 135312302212100 |
| 7 | 12235500354312 |
| oct | 1705501175444 |
| 9 | 411470347670 |
| 10 | 129604320036 |
| 11 | 4aa682949a4 |
| 12 | 21150284030 |
| 13 | c2b5c16689 |
| 14 | 63b6b0b0b2 |
| 15 | 3588255026 |
| hex | 1e2d04fb24 |
129604320036 has 81 divisors (see below), whose sum is σ = 339461467891. Its totient is φ = 41691574848.
The previous prime is 129604320029. The next prime is 129604320119. The reversal of 129604320036 is 630023406921.
The square root of 129604320036 is 360006.
It is a perfect power (a square), and thus also a powerful number.
129604320036 is a `hidden beast` number, since 1 + 29 + 604 + 3 + 20 + 0 + 3 + 6 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 15576537636 + 114027782400 = 124806^2 + 337680^2 .
It is a super-2 number, since 2×1296043200362 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 62640010 + ... + 62642078.
Almost surely, 2129604320036 is an apocalyptic number.
129604320036 is the 360006-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 129604320036
129604320036 is an abundant number, since it is smaller than the sum of its proper divisors (209857147855).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129604320036 is an equidigital number, since it uses as much as digits as its factorization.
129604320036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4206 (or 2103 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 36.
Multiplying 129604320036 by its sum of digits (36), we get a square (4665755521296 = 21600362).
129604320036 divided by its sum of digits (36) gives a square (3600120001 = 600012).
Adding to 129604320036 its reverse (630023406921), we get a palindrome (759627726957).
The spelling of 129604320036 in words is "one hundred twenty-nine billion, six hundred four million, three hundred twenty thousand, thirty-six".
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