Base | Representation |
---|---|
bin | 101010011001110111… |
… | …110101010010111110 |
3 | 11100112011000210100010 |
4 | 222121313311102332 |
5 | 1221221443120410 |
6 | 32530004044050 |
7 | 3201210004023 |
oct | 523167652276 |
9 | 140464023303 |
10 | 45531223230 |
11 | 18345208a09 |
12 | 89a8393626 |
13 | 43a7ca8c0c |
14 | 22bd03154a |
15 | 12b73c2c20 |
hex | a99df54be |
45531223230 has 64 divisors (see below), whose sum is σ = 115053442560. Its totient is φ = 11499905664.
The previous prime is 45531223207. The next prime is 45531223253. The reversal of 45531223230 is 3232213554.
It is an interprime number because it is at equal distance from previous prime (45531223207) and next prime (45531223253).
It is a super-3 number, since 3×455312232303 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3640047 + ... + 3652533.
It is an arithmetic number, because the mean of its divisors is an integer number (1797710040).
Almost surely, 245531223230 is an apocalyptic number.
45531223230 is an abundant number, since it is smaller than the sum of its proper divisors (69522219330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45531223230 is a wasteful number, since it uses less digits than its factorization.
45531223230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18913.
The product of its (nonzero) digits is 21600, while the sum is 30.
Adding to 45531223230 its reverse (3232213554), we get a palindrome (48763436784).
The spelling of 45531223230 in words is "forty-five billion, five hundred thirty-one million, two hundred twenty-three thousand, two hundred thirty".
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