Base | Representation |
---|---|
bin | 1001000011100110… |
… | …0110101111111110 |
3 | 20021102101121112220 |
4 | 2100321212233332 |
5 | 14434320120110 |
6 | 1041121110210 |
7 | 114146220645 |
oct | 22071465776 |
9 | 6242347486 |
10 | 2431020030 |
11 | 103827a36a |
12 | 57a188366 |
13 | 2c9859cba |
14 | 190c1635c |
15 | e3652370 |
hex | 90e66bfe |
2431020030 has 32 divisors (see below), whose sum is σ = 5880397824. Its totient is φ = 643166496.
The previous prime is 2431019993. The next prime is 2431020071. The reversal of 2431020030 is 300201342.
It is a super-2 number, since 2×24310200302 = 11819716772522401800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 2431019991 and 2431020009.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315222 + ... + 322841.
It is an arithmetic number, because the mean of its divisors is an integer number (183762432).
Almost surely, 22431020030 is an apocalyptic number.
2431020030 is an abundant number, since it is smaller than the sum of its proper divisors (3449377794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2431020030 is a wasteful number, since it uses less digits than its factorization.
2431020030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 638200.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 2431020030 is about 49305.3752647721. The cubic root of 2431020030 is about 1344.6095115320.
Adding to 2431020030 its reverse (300201342), we get a palindrome (2731221372).
The spelling of 2431020030 in words is "two billion, four hundred thirty-one million, twenty thousand, thirty".
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