Base | Representation |
---|---|
bin | 11100010001000101… |
… | …001110110100001001 |
3 | 2220100020102121000122 |
4 | 130101011032310021 |
5 | 444124421331040 |
6 | 21535422513025 |
7 | 2123064155606 |
oct | 342105166411 |
9 | 86306377018 |
10 | 30351355145 |
11 | 11965604391 |
12 | 5a70735775 |
13 | 2b29104057 |
14 | 167cd896ad |
15 | bc98ce1b5 |
hex | 71114ed09 |
30351355145 has 8 divisors (see below), whose sum is σ = 36622851720. Its totient is φ = 24146933760.
The previous prime is 30351355121. The next prime is 30351355157. The reversal of 30351355145 is 54155315303.
It can be written as a sum of positive squares in 4 ways, for example, as 1125401209 + 29225953936 = 33547^2 + 170956^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30351355145 - 212 = 30351351049 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16767800 + ... + 16769609.
It is an arithmetic number, because the mean of its divisors is an integer number (4577856465).
Almost surely, 230351355145 is an apocalyptic number.
It is an amenable number.
30351355145 is a deficient number, since it is larger than the sum of its proper divisors (6271496575).
30351355145 is a wasteful number, since it uses less digits than its factorization.
30351355145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33537595.
The product of its (nonzero) digits is 67500, while the sum is 35.
The spelling of 30351355145 in words is "thirty billion, three hundred fifty-one million, three hundred fifty-five thousand, one hundred forty-five".
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