Base | Representation |
---|---|
bin | 11000011011011111… |
… | …011100001010011110 |
3 | 2111201002022102002120 |
4 | 120123133130022132 |
5 | 412210120433210 |
6 | 20014514003410 |
7 | 1616013036243 |
oct | 303337341236 |
9 | 74632272076 |
10 | 26231030430 |
11 | 10140807450 |
12 | 5100876566 |
13 | 26205a39a7 |
14 | 13aba735ca |
15 | a37cdc270 |
hex | 61b7dc29e |
26231030430 has 128 divisors (see below), whose sum is σ = 74491716096. Its totient is φ = 5838950400.
The previous prime is 26231030429. The next prime is 26231030437. The reversal of 26231030430 is 3403013262.
It is a self number, because there is not a number n which added to its sum of digits gives 26231030430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26231030437) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172989 + ... + 287031.
It is an arithmetic number, because the mean of its divisors is an integer number (581966532).
Almost surely, 226231030430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26231030430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37245858048).
26231030430 is an abundant number, since it is smaller than the sum of its proper divisors (48260685666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26231030430 is a wasteful number, since it uses less digits than its factorization.
26231030430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114122.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 26231030430 its reverse (3403013262), we get a palindrome (29634043692).
The spelling of 26231030430 in words is "twenty-six billion, two hundred thirty-one million, thirty thousand, four hundred thirty".
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