Base | Representation |
---|---|
bin | 1001101110011010… |
… | …00100111000001111 |
3 | 111110212111111101210 |
4 | 10313031010320033 |
5 | 41143103021111 |
6 | 2222031105503 |
7 | 243245655300 |
oct | 46715047017 |
9 | 14425444353 |
10 | 5221142031 |
11 | 223a220316 |
12 | 1018672293 |
13 | 652909071 |
14 | 3775c87a7 |
15 | 20858a0a6 |
hex | 137344e0f |
5221142031 has 48 divisors (see below), whose sum is σ = 8651852160. Its totient is φ = 2784196800.
The previous prime is 5221142027. The next prime is 5221142041. The reversal of 5221142031 is 1302411225.
It is not a de Polignac number, because 5221142031 - 22 = 5221142027 is a prime.
It is a super-2 number, since 2×52211420312 = 54520648215749609922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 5221141989 and 5221142007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5221142041) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 173181 + ... + 201081.
It is an arithmetic number, because the mean of its divisors is an integer number (180246920).
Almost surely, 25221142031 is an apocalyptic number.
5221142031 is a deficient number, since it is larger than the sum of its proper divisors (3430710129).
5221142031 is a wasteful number, since it uses less digits than its factorization.
5221142031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28004 (or 27997 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 5221142031 is about 72257.4704165597. The cubic root of 5221142031 is about 1734.8229914068.
Adding to 5221142031 its reverse (1302411225), we get a palindrome (6523553256).
The spelling of 5221142031 in words is "five billion, two hundred twenty-one million, one hundred forty-two thousand, thirty-one".
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