Base | Representation |
---|---|
bin | 11100000010001010… |
… | …011011000101000001 |
3 | 2212200210110011200201 |
4 | 130002022123011001 |
5 | 443121332322412 |
6 | 21454522045201 |
7 | 2113634525113 |
oct | 340212330501 |
9 | 85623404621 |
10 | 30101057857 |
11 | 11847298322 |
12 | 5a00949801 |
13 | 2ab92b9250 |
14 | 1657a333b3 |
15 | bb293be57 |
hex | 70229b141 |
30101057857 has 8 divisors (see below), whose sum is σ = 34122656960. Its totient is φ = 26323192080.
The previous prime is 30101057849. The next prime is 30101057867. The reversal of 30101057857 is 75875010103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30101057857 - 23 = 30101057849 is a prime.
It is a super-3 number, since 3×301010578573 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30101057807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60933069 + ... + 60933562.
It is an arithmetic number, because the mean of its divisors is an integer number (4265332120).
Almost surely, 230101057857 is an apocalyptic number.
It is an amenable number.
30101057857 is a deficient number, since it is larger than the sum of its proper divisors (4021599103).
30101057857 is a wasteful number, since it uses less digits than its factorization.
30101057857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121866663.
The product of its (nonzero) digits is 29400, while the sum is 37.
The spelling of 30101057857 in words is "thirty billion, one hundred one million, fifty-seven thousand, eight hundred fifty-seven".
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