Base | Representation |
---|---|
bin | 11100101000110110… |
… | …111000110111111101 |
3 | 2221101001000110202120 |
4 | 130220312320313331 |
5 | 1000434030422240 |
6 | 22043152313153 |
7 | 2136006541050 |
oct | 345066706775 |
9 | 87331013676 |
10 | 30750248445 |
11 | 1204a793874 |
12 | 5b622427b9 |
13 | 2b909489a7 |
14 | 16b9d42a97 |
15 | bee924ad0 |
hex | 728db8dfd |
30750248445 has 32 divisors (see below), whose sum is σ = 56251625472. Its totient is φ = 14051606592.
The previous prime is 30750248411. The next prime is 30750248449. The reversal of 30750248445 is 54484205703.
It is not a de Polignac number, because 30750248445 - 26 = 30750248381 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30750248397 and 30750248406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30750248449) 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, 209434 + ... + 324596.
It is an arithmetic number, because the mean of its divisors is an integer number (1757863296).
Almost surely, 230750248445 is an apocalyptic number.
30750248445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30750248445 is a deficient number, since it is larger than the sum of its proper divisors (25501377027).
30750248445 is a wasteful number, since it uses less digits than its factorization.
30750248445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117721.
The product of its (nonzero) digits is 537600, while the sum is 42.
The spelling of 30750248445 in words is "thirty billion, seven hundred fifty million, two hundred forty-eight thousand, four hundred forty-five".
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