Base | Representation |
---|---|
bin | 101110101001000111011100… |
… | …000001001101111110001111 |
3 | 222220022202220100212001111120 |
4 | 232221013130001031332033 |
5 | 203341420224312044101 |
6 | 2004142001014052023 |
7 | 61131363001006143 |
oct | 5651073401157617 |
9 | 886282810761446 |
10 | 205135624331151 |
11 | 5a3a95910731a8 |
12 | 1b0107a964a013 |
13 | 8a6028b520a67 |
14 | 389288d815223 |
15 | 18ab0ad2a2b36 |
hex | ba91dc04df8f |
205135624331151 has 8 divisors (see below), whose sum is σ = 275602060170624. Its totient is φ = 135713135689560.
The previous prime is 205135624331093. The next prime is 205135624331159. The reversal of 205135624331151 is 151133426531502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 205135624331151 - 26 = 205135624331087 is a prime.
It is a super-2 number, since 2×2051356243311512 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205135624331159) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260986799011 + ... + 260986799796.
It is an arithmetic number, because the mean of its divisors is an integer number (34450257521328).
Almost surely, 2205135624331151 is an apocalyptic number.
205135624331151 is a deficient number, since it is larger than the sum of its proper divisors (70466435839473).
205135624331151 is a wasteful number, since it uses less digits than its factorization.
205135624331151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 521973598941.
The product of its (nonzero) digits is 324000, while the sum is 42.
The spelling of 205135624331151 in words is "two hundred five trillion, one hundred thirty-five billion, six hundred twenty-four million, three hundred thirty-one thousand, one hundred fifty-one".
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