Base | Representation |
---|---|
bin | 1110000001111001110010… |
… | …01010100100011101010010 |
3 | 11001020101122122201221211001 |
4 | 13000330321022210131102 |
5 | 13020433300021044000 |
6 | 145341025102212214 |
7 | 6332651053654450 |
oct | 700747112443522 |
9 | 131211578657731 |
10 | 30851709159250 |
11 | 9915155577501 |
12 | 3563326b8406a |
13 | 142a3c4290b75 |
14 | 78933302d9d0 |
15 | 3877cca2346a |
hex | 1c0f392a4752 |
30851709159250 has 32 divisors (see below), whose sum is σ = 66005028056448. Its totient is φ = 10577728854000.
The previous prime is 30851709159151. The next prime is 30851709159251. The reversal of 30851709159250 is 5295190715803.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30851709159191 and 30851709159200.
It is not an unprimeable number, because it can be changed into a prime (30851709159251) 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, 8814772296 + ... + 8814775795.
It is an arithmetic number, because the mean of its divisors is an integer number (2062657126764).
Almost surely, 230851709159250 is an apocalyptic number.
30851709159250 is an abundant number, since it is smaller than the sum of its proper divisors (35153318897198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30851709159250 is a wasteful number, since it uses less digits than its factorization.
30851709159250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17629548115 (or 17629548105 counting only the distinct ones).
The product of its (nonzero) digits is 3402000, while the sum is 55.
The spelling of 30851709159250 in words is "thirty trillion, eight hundred fifty-one billion, seven hundred nine million, one hundred fifty-nine thousand, two hundred fifty".
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