Base | Representation |
---|---|
bin | 1011101101100111… |
… | …1101101001111010 |
3 | 22010010021010211110 |
4 | 2323121331221322 |
5 | 22414400124110 |
6 | 1235553541150 |
7 | 140625540021 |
oct | 27331755172 |
9 | 8103233743 |
10 | 3144145530 |
11 | 1373874089 |
12 | 738b747b6 |
13 | 3b1513756 |
14 | 21b8098b8 |
15 | 136068a20 |
hex | bb67da7a |
3144145530 has 32 divisors (see below), whose sum is σ = 7572823488. Its totient is φ = 835452800.
The previous prime is 3144145489. The next prime is 3144145531. The reversal of 3144145530 is 355414413.
It is a super-2 number, since 2×31441455302 = 19771302227637961800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (3144145531) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178056 + ... + 194915.
It is an arithmetic number, because the mean of its divisors is an integer number (236650734).
Almost surely, 23144145530 is an apocalyptic number.
3144145530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3144145530 is an abundant number, since it is smaller than the sum of its proper divisors (4428677958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3144145530 is a wasteful number, since it uses less digits than its factorization.
3144145530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 373262.
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 3144145530 is about 56072.6807812860. The cubic root of 3144145530 is about 1464.9884921071.
Adding to 3144145530 its reverse (355414413), we get a palindrome (3499559943).
The spelling of 3144145530 in words is "three billion, one hundred forty-four million, one hundred forty-five thousand, five hundred thirty".
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