Base | Representation |
---|---|
bin | 1010000111001010… |
… | …10110001110011001 |
3 | 112000100022012021121 |
4 | 11003211112032121 |
5 | 42104240044004 |
6 | 2254410405241 |
7 | 251350206001 |
oct | 50345261631 |
9 | 15010265247 |
10 | 5428831129 |
11 | 23364851a7 |
12 | 1076130821 |
13 | 686956117 |
14 | 39700d001 |
15 | 21b912854 |
hex | 143956399 |
5428831129 has 4 divisors (see below), whose sum is σ = 5470272720. Its totient is φ = 5387389540.
The previous prime is 5428831127. The next prime is 5428831159. The reversal of 5428831129 is 9211388245.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9211388245 = 5 ⋅1842277649.
It is a cyclic number.
It is not a de Polignac number, because 5428831129 - 21 = 5428831127 is a prime.
It is a super-4 number, since 4×54288311294 (a number of 40 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5428831127) 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, 20720599 + ... + 20720860.
It is an arithmetic number, because the mean of its divisors is an integer number (1367568180).
Almost surely, 25428831129 is an apocalyptic number.
It is an amenable number.
5428831129 is a deficient number, since it is larger than the sum of its proper divisors (41441591).
5428831129 is a wasteful number, since it uses less digits than its factorization.
5428831129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41441590.
The product of its digits is 138240, while the sum is 43.
The square root of 5428831129 is about 73680.6021215896. The cubic root of 5428831129 is about 1757.5274259847.
The spelling of 5428831129 in words is "five billion, four hundred twenty-eight million, eight hundred thirty-one thousand, one hundred twenty-nine".
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