Base | Representation |
---|---|
bin | 1000001010001001… |
… | …11010111100010101 |
3 | 102022021000100010122 |
4 | 10011010322330111 |
5 | 32432304042011 |
6 | 2002345401325 |
7 | 213354414215 |
oct | 40504727425 |
9 | 12267010118 |
10 | 4380143381 |
11 | 1948527609 |
12 | a22a99245 |
13 | 54a5ccc23 |
14 | 2d7a2a245 |
15 | 1a98153db |
hex | 10513af15 |
4380143381 has 4 divisors (see below), whose sum is σ = 4637798892. Its totient is φ = 4122487872.
The previous prime is 4380143371. The next prime is 4380143393. The reversal of 4380143381 is 1833410834.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3830991025 + 549152356 = 61895^2 + 23434^2 .
It is a cyclic number.
It is not a de Polignac number, because 4380143381 - 214 = 4380126997 is a prime.
It is a super-2 number, since 2×43801433812 = 38371312076236222322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4380143311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128827730 + ... + 128827763.
It is an arithmetic number, because the mean of its divisors is an integer number (1159449723).
Almost surely, 24380143381 is an apocalyptic number.
It is an amenable number.
4380143381 is a deficient number, since it is larger than the sum of its proper divisors (257655511).
4380143381 is a wasteful number, since it uses less digits than its factorization.
4380143381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 257655510.
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 4380143381 is about 66182.6516618970. The cubic root of 4380143381 is about 1636.1738313437.
The spelling of 4380143381 in words is "four billion, three hundred eighty million, one hundred forty-three thousand, three hundred eighty-one".
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