Base | Representation |
---|---|
bin | 11100100111010110… |
… | …110110100101110110 |
3 | 2221022021122102220200 |
4 | 130213112312211312 |
5 | 1000411104321040 |
6 | 22040452541330 |
7 | 2135252546043 |
oct | 344726664566 |
9 | 87267572820 |
10 | 30725073270 |
11 | 12037559341 |
12 | 5b55921846 |
13 | 2b88672b38 |
14 | 16b686c1ca |
15 | bec600630 |
hex | 7275b6976 |
30725073270 has 48 divisors (see below), whose sum is σ = 79895866752. Its totient is φ = 8192257920.
The previous prime is 30725073229. The next prime is 30725073277. The reversal of 30725073270 is 7237052703.
30725073270 is a `hidden beast` number, since 307 + 25 + 0 + 7 + 327 + 0 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30725073277) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830875 + ... + 867065.
It is an arithmetic number, because the mean of its divisors is an integer number (1664497224).
Almost surely, 230725073270 is an apocalyptic number.
30725073270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30725073270 is an abundant number, since it is smaller than the sum of its proper divisors (49170793482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30725073270 is a wasteful number, since it uses less digits than its factorization.
30725073270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45637 (or 45634 counting only the distinct ones).
The product of its (nonzero) digits is 61740, while the sum is 36.
The spelling of 30725073270 in words is "thirty billion, seven hundred twenty-five million, seventy-three thousand, two hundred seventy".
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