Base | Representation |
---|---|
bin | 111111111001111… |
… | …1011011010101000 |
3 | 12112102220200212120 |
4 | 1333303323122220 |
5 | 13342421203034 |
6 | 552440111240 |
7 | 104065261212 |
oct | 17763733250 |
9 | 5472820776 |
10 | 2144319144 |
11 | a00459790 |
12 | 4ba165520 |
13 | 2823375c6 |
14 | 164b055b2 |
15 | c83bdc49 |
hex | 7fcfb6a8 |
2144319144 has 32 divisors (see below), whose sum is σ = 5848143840. Its totient is φ = 649793600.
The previous prime is 2144319109. The next prime is 2144319161. The reversal of 2144319144 is 4419134412.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4060947 + ... + 4061474.
It is an arithmetic number, because the mean of its divisors is an integer number (182754495).
Almost surely, 22144319144 is an apocalyptic number.
2144319144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2144319144 is an abundant number, since it is smaller than the sum of its proper divisors (3703824696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144319144 is a wasteful number, since it uses less digits than its factorization.
2144319144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8122441 (or 8122437 counting only the distinct ones).
The product of its digits is 13824, while the sum is 33.
The square root of 2144319144 is about 46306.7937132339. The cubic root of 2144319144 is about 1289.5251229674.
The spelling of 2144319144 in words is "two billion, one hundred forty-four million, three hundred nineteen thousand, one hundred forty-four".
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