Base | Representation |
---|---|
bin | 1101011100100010101… |
… | …1000110110101110101 |
3 | 211002020210021100211200 |
4 | 3113020223012311311 |
5 | 12241042000310401 |
6 | 254041523523113 |
7 | 22455252455130 |
oct | 3271053066565 |
9 | 732223240750 |
10 | 231000010101 |
11 | 89a6a535663 |
12 | 38929529499 |
13 | 18a24925c13 |
14 | b27527b217 |
15 | 601ec82686 |
hex | 35c8ac6d75 |
231000010101 has 24 divisors (see below), whose sum is σ = 384707993280. Its totient is φ = 130831860096.
The previous prime is 231000010069. The next prime is 231000010103. The reversal of 231000010101 is 101010000132.
It is not a de Polignac number, because 231000010101 - 25 = 231000010069 is a prime.
It is a super-2 number, since 2×2310000101012 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231000010103) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16217071 + ... + 16231308.
It is an arithmetic number, because the mean of its divisors is an integer number (16029499720).
Almost surely, 2231000010101 is an apocalyptic number.
231000010101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
231000010101 is a deficient number, since it is larger than the sum of its proper divisors (153707983179).
231000010101 is a wasteful number, since it uses less digits than its factorization.
231000010101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32448505 (or 32448502 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
Adding to 231000010101 its reverse (101010000132), we get a palindrome (332010010233).
The spelling of 231000010101 in words is "two hundred thirty-one billion, ten thousand, one hundred one".
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