Base | Representation |
---|---|
bin | 1101011101011111011… |
… | …1111101000100101001 |
3 | 211002220120011000212210 |
4 | 3113113313331010221 |
5 | 12242102242124301 |
6 | 254123113555333 |
7 | 22464500242350 |
oct | 3272767750451 |
9 | 732816130783 |
10 | 231255036201 |
11 | 8a090491532 |
12 | 3899aa15b49 |
13 | 18a65708237 |
14 | b29b0a4997 |
15 | 603735aad6 |
hex | 35d7dfd129 |
231255036201 has 16 divisors (see below), whose sum is σ = 353386905984. Its totient is φ = 131771380224.
The previous prime is 231255036169. The next prime is 231255036209. The reversal of 231255036201 is 102630552132.
It is not a de Polignac number, because 231255036201 - 25 = 231255036169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231255036209) 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, 15590526 + ... + 15605351.
It is an arithmetic number, because the mean of its divisors is an integer number (22086681624).
Almost surely, 2231255036201 is an apocalyptic number.
231255036201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
231255036201 is a deficient number, since it is larger than the sum of its proper divisors (122131869783).
231255036201 is a wasteful number, since it uses less digits than its factorization.
231255036201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31196240.
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 231255036201 its reverse (102630552132), we get a palindrome (333885588333).
The spelling of 231255036201 in words is "two hundred thirty-one billion, two hundred fifty-five million, thirty-six thousand, two hundred one".
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