Base | Representation |
---|---|
bin | 101111100001000010… |
… | …1010111001001001111 |
3 | 100202101101002002102212 |
4 | 1133002011113021033 |
5 | 3132434322330411 |
6 | 114513212341035 |
7 | 10241441241302 |
oct | 1370205271117 |
9 | 322341062385 |
10 | 102040433231 |
11 | 3a303189860 |
12 | 1793917477b |
13 | 9812472899 |
14 | 4d20042b39 |
15 | 29c343768b |
hex | 17c215724f |
102040433231 has 8 divisors (see below), whose sum is σ = 111319714128. Its totient is φ = 92761632000.
The previous prime is 102040433197. The next prime is 102040433237. The reversal of 102040433231 is 132334040201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102040433231 is a prime.
It is a super-2 number, since 2×1020404332312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102040433197 and 102040433206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102040433237) 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 7 ways as a sum of consecutive naturals, for example, 437621 + ... + 628961.
It is an arithmetic number, because the mean of its divisors is an integer number (13914964266).
Almost surely, 2102040433231 is an apocalyptic number.
102040433231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
102040433231 is a deficient number, since it is larger than the sum of its proper divisors (9279280897).
102040433231 is a wasteful number, since it uses less digits than its factorization.
102040433231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 239833.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 102040433231 its reverse (132334040201), we get a palindrome (234374473432).
The spelling of 102040433231 in words is "one hundred two billion, forty million, four hundred thirty-three thousand, two hundred thirty-one".
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