Base | Representation |
---|---|
bin | 11100001011000011… |
… | …110001111101101010 |
3 | 2220002012022001020112 |
4 | 130023003301331222 |
5 | 443423034432110 |
6 | 21521413054322 |
7 | 2120426256035 |
oct | 341303617552 |
9 | 86065261215 |
10 | 30250311530 |
11 | 1191356a86a |
12 | 5a429273a2 |
13 | 2b111b652a |
14 | 166d7a601c |
15 | bc0ac0405 |
hex | 70b0f1f6a |
30250311530 has 32 divisors (see below), whose sum is σ = 57998820096. Its totient is φ = 11320148224.
The previous prime is 30250311523. The next prime is 30250311583. The reversal of 30250311530 is 3511305203.
It is a junction number, because it is equal to n+sod(n) for n = 30250311496 and 30250311505.
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, 504374 + ... + 561153.
It is an arithmetic number, because the mean of its divisors is an integer number (1812463128).
Almost surely, 230250311530 is an apocalyptic number.
30250311530 is a deficient number, since it is larger than the sum of its proper divisors (27748508566).
30250311530 is a wasteful number, since it uses less digits than its factorization.
30250311530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1065718.
The product of its (nonzero) digits is 1350, while the sum is 23.
Adding to 30250311530 its reverse (3511305203), we get a palindrome (33761616733).
The spelling of 30250311530 in words is "thirty billion, two hundred fifty million, three hundred eleven thousand, five hundred thirty".
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