Base | Representation |
---|---|
bin | 11100000110100100… |
… | …111100111110100111 |
3 | 2212212221210222122220 |
4 | 130012210330332213 |
5 | 443244312340234 |
6 | 21510125323423 |
7 | 2115524204430 |
oct | 340644747647 |
9 | 85787728586 |
10 | 30175121319 |
11 | 118850842a2 |
12 | 5a21706573 |
13 | 2acb74b495 |
14 | 16637d2487 |
15 | bb91bba49 |
hex | 70693cfa7 |
30175121319 has 16 divisors (see below), whose sum is σ = 46563179520. Its totient is φ = 17024660640.
The previous prime is 30175121311. The next prime is 30175121321. The reversal of 30175121319 is 91312157103.
It is not a de Polignac number, because 30175121319 - 23 = 30175121311 is a prime.
It is a super-2 number, since 2×301751213192 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30175121319.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30175121311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9092712 + ... + 9096029.
It is an arithmetic number, because the mean of its divisors is an integer number (2910198720).
Almost surely, 230175121319 is an apocalyptic number.
30175121319 is a deficient number, since it is larger than the sum of its proper divisors (16388058201).
30175121319 is a wasteful number, since it uses less digits than its factorization.
30175121319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18188830.
The product of its (nonzero) digits is 5670, while the sum is 33.
The spelling of 30175121319 in words is "thirty billion, one hundred seventy-five million, one hundred twenty-one thousand, three hundred nineteen".
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