Base | Representation |
---|---|
bin | 10001000010001111… |
… | …10000000011001100 |
3 | 212121101002100121110 |
4 | 20201013300003030 |
5 | 122212234131130 |
6 | 4111302132020 |
7 | 442431304146 |
oct | 104107600314 |
9 | 25541070543 |
10 | 9145614540 |
11 | 3973508627 |
12 | 1932a21010 |
13 | b299a504a |
14 | 62a8bbc96 |
15 | 387d91ab0 |
hex | 2211f00cc |
9145614540 has 24 divisors (see below), whose sum is σ = 25607720880. Its totient is φ = 2438830528.
The previous prime is 9145614509. The next prime is 9145614547. The reversal of 9145614540 is 454165419.
It is not an unprimeable number, because it can be changed into a prime (9145614547) 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, 76213395 + ... + 76213514.
It is an arithmetic number, because the mean of its divisors is an integer number (1066988370).
Almost surely, 29145614540 is an apocalyptic number.
It is an amenable number.
9145614540 is an abundant number, since it is smaller than the sum of its proper divisors (16462106340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9145614540 is a wasteful number, since it uses less digits than its factorization.
9145614540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152426921 (or 152426919 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 39.
The square root of 9145614540 is about 95632.7064345666. The cubic root of 9145614540 is about 2091.2420248179.
Adding to 9145614540 its reverse (454165419), we get a palindrome (9599779959).
The spelling of 9145614540 in words is "nine billion, one hundred forty-five million, six hundred fourteen thousand, five hundred forty".
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