Base | Representation |
---|---|
bin | 11100101000110110… |
… | …010000011011000011 |
3 | 2221101000201001110220 |
4 | 130220312100123003 |
5 | 1000434010122010 |
6 | 22043144554123 |
7 | 2136005251020 |
oct | 345066203303 |
9 | 87330631426 |
10 | 30750082755 |
11 | 1204a690337 |
12 | 5b62182943 |
13 | 2b908bb452 |
14 | 16b9cdc547 |
15 | bee8e0970 |
hex | 728d906c3 |
30750082755 has 32 divisors (see below), whose sum is σ = 56294805504. Its totient is φ = 14040660096.
The previous prime is 30750082751. The next prime is 30750082789. The reversal of 30750082755 is 55728005703.
It is not a de Polignac number, because 30750082755 - 22 = 30750082751 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30750082751) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82099 + ... + 261228.
It is an arithmetic number, because the mean of its divisors is an integer number (1759212672).
Almost surely, 230750082755 is an apocalyptic number.
30750082755 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30750082755 is a deficient number, since it is larger than the sum of its proper divisors (25544722749).
30750082755 is a wasteful number, since it uses less digits than its factorization.
30750082755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 344195.
The product of its (nonzero) digits is 294000, while the sum is 42.
The spelling of 30750082755 in words is "thirty billion, seven hundred fifty million, eighty-two thousand, seven hundred fifty-five".
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