Base | Representation |
---|---|
bin | 11011001110011001… |
… | …110100101100000000 |
3 | 2210110021102222210000 |
4 | 123032121310230000 |
5 | 434332031222210 |
6 | 21232421440000 |
7 | 2053261451241 |
oct | 331631645400 |
9 | 83407388700 |
10 | 29232679680 |
11 | 114410a3a06 |
12 | 57b9b70000 |
13 | 29ab414ac9 |
14 | 15b4588cc8 |
15 | b615a9ac0 |
hex | 6ce674b00 |
29232679680 has 720 divisors, whose sum is σ = 109693140480. Its totient is φ = 7427137536.
The previous prime is 29232679657. The next prime is 29232679687. The reversal of 29232679680 is 8697623292.
It is a happy number.
29232679680 is a `hidden beast` number, since 292 + 3 + 267 + 96 + 8 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (720).
It is a super-2 number, since 2×292326796802 (a number of 22 digits) contains 22 as substring.
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 (29232679687) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 352200919 + ... + 352201001.
It is an arithmetic number, because the mean of its divisors is an integer number (152351584).
Almost surely, 229232679680 is an apocalyptic number.
29232679680 is a gapful number since it is divisible by the number (20) 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 29232679680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54846570240).
29232679680 is an abundant number, since it is smaller than the sum of its proper divisors (80460460800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29232679680 is an equidigital number, since it uses as much as digits as its factorization.
29232679680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238 (or 215 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 54.
The spelling of 29232679680 in words is "twenty-nine billion, two hundred thirty-two million, six hundred seventy-nine thousand, six hundred eighty".
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