Base | Representation |
---|---|
bin | 10101111010100000… |
… | …011000000110000110 |
3 | 2020201212010011121210 |
4 | 111322200120012012 |
5 | 341142204103014 |
6 | 14450512352250 |
7 | 1462045632210 |
oct | 257240300606 |
9 | 66655104553 |
10 | 23530144134 |
11 | 9a85175612 |
12 | 4688245686 |
13 | 22acb69a13 |
14 | 11d308d5b0 |
15 | 92ab2e859 |
hex | 57a818186 |
23530144134 has 16 divisors (see below), whose sum is σ = 53783186688. Its totient is φ = 6722898312.
The previous prime is 23530144133. The next prime is 23530144139. The reversal of 23530144134 is 43144103532.
It is a super-3 number, since 3×235301441343 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23530144133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280120722 + ... + 280120805.
It is an arithmetic number, because the mean of its divisors is an integer number (3361449168).
Almost surely, 223530144134 is an apocalyptic number.
23530144134 is an abundant number, since it is smaller than the sum of its proper divisors (30253042554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23530144134 is a wasteful number, since it uses less digits than its factorization.
23530144134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560241539.
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 23530144134 its reverse (43144103532), we get a palindrome (66674247666).
The spelling of 23530144134 in words is "twenty-three billion, five hundred thirty million, one hundred forty-four thousand, one hundred thirty-four".
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