Base | Representation |
---|---|
bin | 10110001100011010… |
… | …101010001101111110 |
3 | 2021111210112201010120 |
4 | 112030122222031332 |
5 | 342301120313030 |
6 | 14540405115410 |
7 | 1502355026052 |
oct | 261432521576 |
9 | 67453481116 |
10 | 23830635390 |
11 | a1198550a1 |
12 | 47509b8b66 |
13 | 232a1aa2b3 |
14 | 1220d4dc62 |
15 | 9471d9010 |
hex | 58c6aa37e |
23830635390 has 64 divisors (see below), whose sum is σ = 58528008000. Its totient is φ = 6207611904.
The previous prime is 23830635359. The next prime is 23830635391. The reversal of 23830635390 is 9353603832.
It is a super-2 number, since 2×238306353902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23830635391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331386 + ... + 396834.
It is an arithmetic number, because the mean of its divisors is an integer number (914500125).
Almost surely, 223830635390 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23830635390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29264004000).
23830635390 is an abundant number, since it is smaller than the sum of its proper divisors (34697372610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23830635390 is a wasteful number, since it uses less digits than its factorization.
23830635390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65741.
The product of its (nonzero) digits is 349920, while the sum is 42.
The spelling of 23830635390 in words is "twenty-three billion, eight hundred thirty million, six hundred thirty-five thousand, three hundred ninety".
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