Base | Representation |
---|---|
bin | 1011101101111100… |
… | …1001000110100100 |
3 | 22010012211010010022 |
4 | 2323133021012210 |
5 | 22420222100030 |
6 | 1240043014312 |
7 | 140643223043 |
oct | 27337110644 |
9 | 8105733108 |
10 | 3145503140 |
11 | 137461107a |
12 | 73950a398 |
13 | 3b189a680 |
14 | 21ba8055a |
15 | 136235de5 |
hex | bb7c91a4 |
3145503140 has 48 divisors (see below), whose sum is σ = 7117951680. Its totient is φ = 1160718720.
The previous prime is 3145503121. The next prime is 3145503187. The reversal of 3145503140 is 413055413.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668195 + ... + 672885.
It is an arithmetic number, because the mean of its divisors is an integer number (148290660).
Almost surely, 23145503140 is an apocalyptic number.
It is an amenable number.
3145503140 is an abundant number, since it is smaller than the sum of its proper divisors (3972448540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145503140 is a wasteful number, since it uses less digits than its factorization.
3145503140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7292 (or 7290 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 3145503140 is about 56084.7852808585. The cubic root of 3145503140 is about 1465.1993174667.
Adding to 3145503140 its reverse (413055413), we get a palindrome (3558558553).
The spelling of 3145503140 in words is "three billion, one hundred forty-five million, five hundred three thousand, one hundred forty".
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