Base | Representation |
---|---|
bin | 101111100000101111… |
… | …0011100101001000011 |
3 | 100202100122212211011100 |
4 | 1133001132130221003 |
5 | 3132424214412011 |
6 | 114512205545443 |
7 | 10241255443422 |
oct | 1370136345103 |
9 | 322318784140 |
10 | 102030232131 |
11 | 3a2a84515a3 |
12 | 17935875283 |
13 | 9810310629 |
14 | 4d1c9492b9 |
15 | 29c25bed56 |
hex | 17c179ca43 |
102030232131 has 24 divisors (see below), whose sum is σ = 147995527680. Its totient is φ = 67735100016.
The previous prime is 102030232091. The next prime is 102030232151. The reversal of 102030232131 is 131232030201.
102030232131 is a `hidden beast` number, since 10 + 2 + 0 + 302 + 321 + 31 = 666.
It is not a de Polignac number, because 102030232131 - 211 = 102030230083 is a prime.
It is a super-2 number, since 2×1020302321312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (102030232151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3030850 + ... + 3064328.
It is an arithmetic number, because the mean of its divisors is an integer number (6166480320).
Almost surely, 2102030232131 is an apocalyptic number.
102030232131 is a deficient number, since it is larger than the sum of its proper divisors (45965295549).
102030232131 is a wasteful number, since it uses less digits than its factorization.
102030232131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34895 (or 34892 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 102030232131 its reverse (131232030201), we get a palindrome (233262262332).
The spelling of 102030232131 in words is "one hundred two billion, thirty million, two hundred thirty-two thousand, one hundred thirty-one".
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