Base | Representation |
---|---|
bin | 1101011010010000010… |
… | …1010110000011001001 |
3 | 211000200000011002020001 |
4 | 3112210011112003021 |
5 | 12233312322144040 |
6 | 253500554203001 |
7 | 22434116542432 |
oct | 3264405260311 |
9 | 730600132201 |
10 | 230386131145 |
11 | 89784a68285 |
12 | 38797a23461 |
13 | 189576ab031 |
14 | b217920489 |
15 | 5ed5e2259a |
hex | 35a41560c9 |
230386131145 has 16 divisors (see below), whose sum is σ = 277505486928. Its totient is φ = 183614365440.
The previous prime is 230386131133. The next prime is 230386131163. The reversal of 230386131145 is 541131683032.
It can be written as a sum of positive squares in 8 ways, for example, as 71873856649 + 158512274496 = 268093^2 + 398136^2 .
It is not a de Polignac number, because 230386131145 - 25 = 230386131113 is a prime.
It is a super-2 number, since 2×2303861311452 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14336415 + ... + 14352475.
It is an arithmetic number, because the mean of its divisors is an integer number (17344092933).
Almost surely, 2230386131145 is an apocalyptic number.
It is an amenable number.
230386131145 is a deficient number, since it is larger than the sum of its proper divisors (47119355783).
230386131145 is a wasteful number, since it uses less digits than its factorization.
230386131145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26700.
The product of its (nonzero) digits is 51840, while the sum is 37.
The spelling of 230386131145 in words is "two hundred thirty billion, three hundred eighty-six million, one hundred thirty-one thousand, one hundred forty-five".
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