Base | Representation |
---|---|
bin | 10101111010100001… |
… | …011101111000110000 |
3 | 2020201212122200202102 |
4 | 111322201131320300 |
5 | 341142242230000 |
6 | 14450522435532 |
7 | 1462051232510 |
oct | 257241357060 |
9 | 66655580672 |
10 | 23530430000 |
11 | 9a85350370 |
12 | 4688362ba8 |
13 | 22acc39b7c |
14 | 11d3125840 |
15 | 92ab893d5 |
hex | 57a85de30 |
23530430000 has 200 divisors, whose sum is σ = 71029263360. Its totient is φ = 7333920000.
The previous prime is 23530429987. The next prime is 23530430017. The reversal of 23530430000 is 3403532.
It is a tau number, because it is divible by the number of its divisors (200).
It is a super-2 number, since 2×235304300002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 754721 + ... + 785279.
Almost surely, 223530430000 is an apocalyptic number.
23530430000 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 23530430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35514631680).
23530430000 is an abundant number, since it is smaller than the sum of its proper divisors (47498833360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23530430000 is a wasteful number, since it uses less digits than its factorization.
23530430000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30605 (or 30584 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 20.
Adding to 23530430000 its reverse (3403532), we get a palindrome (23533833532).
The spelling of 23530430000 in words is "twenty-three billion, five hundred thirty million, four hundred thirty thousand".
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