Base | Representation |
---|---|
bin | 11100001010001101… |
… | …101010000001110010 |
3 | 2220001012121012120200 |
4 | 130022031222001302 |
5 | 443410421421000 |
6 | 21520145020030 |
7 | 2120164543554 |
oct | 341215520162 |
9 | 86035535520 |
10 | 30236123250 |
11 | 11906559a13 |
12 | 5a3a024616 |
13 | 2b0b2894b8 |
14 | 166b9514d4 |
15 | bbe71b500 |
hex | 70a36a072 |
30236123250 has 48 divisors (see below), whose sum is σ = 81758483352. Its totient is φ = 8062965600.
The previous prime is 30236123249. The next prime is 30236123273. The reversal of 30236123250 is 5232163203.
30236123250 is a `hidden beast` number, since 3 + 0 + 23 + 612 + 3 + 25 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 6916084569 + 23320038681 = 83163^2 + 152709^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6716889 + ... + 6721388.
Almost surely, 230236123250 is an apocalyptic number.
30236123250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30236123250 is an abundant number, since it is smaller than the sum of its proper divisors (51522360102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30236123250 is a wasteful number, since it uses less digits than its factorization.
30236123250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13438300 (or 13438287 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
Adding to 30236123250 its reverse (5232163203), we get a palindrome (35468286453).
The spelling of 30236123250 in words is "thirty billion, two hundred thirty-six million, one hundred twenty-three thousand, two hundred fifty".
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