Base | Representation |
---|---|
bin | 1101011001111101101… |
… | …0010111100001110001 |
3 | 211000110112200012221021 |
4 | 3112133122113201301 |
5 | 12233132241144040 |
6 | 253445114255441 |
7 | 22432145425045 |
oct | 3263732274161 |
9 | 730415605837 |
10 | 230307756145 |
11 | 897447a6a55 |
12 | 38775727581 |
13 | 189443994ac |
14 | b20b35c025 |
15 | 5ece0e024a |
hex | 359f697871 |
230307756145 has 8 divisors (see below), whose sum is σ = 283110022440. Its totient is φ = 179752394880.
The previous prime is 230307756121. The next prime is 230307756157. The reversal of 230307756145 is 541657703032.
It can be written as a sum of positive squares in 4 ways, for example, as 20770862641 + 209536893504 = 144121^2 + 457752^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 230307756145 - 29 = 230307755633 is a prime.
It is a super-2 number, since 2×2303077561452 (a number of 24 digits) contains 22 as substring.
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, 561726030 + ... + 561726439.
It is an arithmetic number, because the mean of its divisors is an integer number (35388752805).
Almost surely, 2230307756145 is an apocalyptic number.
It is an amenable number.
230307756145 is a deficient number, since it is larger than the sum of its proper divisors (52802266295).
230307756145 is a wasteful number, since it uses less digits than its factorization.
230307756145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1123452515.
The product of its (nonzero) digits is 529200, while the sum is 43.
The spelling of 230307756145 in words is "two hundred thirty billion, three hundred seven million, seven hundred fifty-six thousand, one hundred forty-five".
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