Base | Representation |
---|---|
bin | 1101101010001001111… |
… | …0001000001000000101 |
3 | 211102200102222100022220 |
4 | 3122202132020020011 |
5 | 12321032413244311 |
6 | 255444254242553 |
7 | 22644642302202 |
oct | 3324236101005 |
9 | 742612870286 |
10 | 234654040581 |
11 | 905750a7864 |
12 | 395891b6459 |
13 | 19187972b2c |
14 | b500692ca9 |
15 | 6185968206 |
hex | 36a2788205 |
234654040581 has 16 divisors (see below), whose sum is σ = 313992161280. Its totient is φ = 155876963760.
The previous prime is 234654040561. The next prime is 234654040613. The reversal of 234654040581 is 185040456432.
It is not a de Polignac number, because 234654040581 - 211 = 234654038533 is a prime.
It is a super-2 number, since 2×2346540405812 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234654040541) 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, 828960 + ... + 1075398.
It is an arithmetic number, because the mean of its divisors is an integer number (19624510080).
Almost surely, 2234654040581 is an apocalyptic number.
It is an amenable number.
234654040581 is a deficient number, since it is larger than the sum of its proper divisors (79338120699).
234654040581 is a wasteful number, since it uses less digits than its factorization.
234654040581 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247576.
The product of its (nonzero) digits is 460800, while the sum is 42.
The spelling of 234654040581 in words is "two hundred thirty-four billion, six hundred fifty-four million, forty thousand, five hundred eighty-one".
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