Base | Representation |
---|---|
bin | 1111111011111101… |
… | …0100110011010100 |
3 | 102001010211120210010 |
4 | 3332333110303110 |
5 | 32230132410030 |
6 | 1544300400220 |
7 | 211004340342 |
oct | 37677246324 |
9 | 12033746703 |
10 | 4278013140 |
11 | 18a5910655 |
12 | 9b4846070 |
13 | 5323c192b |
14 | 2c8242992 |
15 | 1a088e6b0 |
hex | fefd4cd4 |
4278013140 has 24 divisors (see below), whose sum is σ = 11978436960. Its totient is φ = 1140803488.
The previous prime is 4278013139. The next prime is 4278013193. The reversal of 4278013140 is 413108724.
It is a super-4 number, since 4×42780131404 (a number of 40 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 4278013098 and 4278013107.
It is a congruent number.
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, 35650050 + ... + 35650169.
It is an arithmetic number, because the mean of its divisors is an integer number (499101540).
Almost surely, 24278013140 is an apocalyptic number.
It is an amenable number.
4278013140 is an abundant number, since it is smaller than the sum of its proper divisors (7700423820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4278013140 is a wasteful number, since it uses less digits than its factorization.
4278013140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71300231 (or 71300229 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 4278013140 is about 65406.5221518466. The cubic root of 4278013140 is about 1623.3570000312.
The spelling of 4278013140 in words is "four billion, two hundred seventy-eight million, thirteen thousand, one hundred forty".
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