Base | Representation |
---|---|
bin | 101111100100001010… |
… | …1111001101010100110 |
3 | 100202122200122120222200 |
4 | 1133020111321222212 |
5 | 3133143212312410 |
6 | 114531443035330 |
7 | 10244154563652 |
oct | 1371025715246 |
9 | 322580576880 |
10 | 102145432230 |
11 | 3a357485096 |
12 | 1796836bb46 |
13 | 982b14687a |
14 | 4d2dd75a62 |
15 | 29cc7783c0 |
hex | 17c8579aa6 |
102145432230 has 48 divisors (see below), whose sum is σ = 269541992304. Its totient is φ = 26832231360.
The previous prime is 102145432223. The next prime is 102145432231. The reversal of 102145432230 is 32234541201.
102145432230 is a `hidden beast` number, since 10 + 214 + 5 + 432 + 2 + 3 + 0 = 666.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 102145432194 and 102145432203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102145432231) 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, 8463741 + ... + 8475800.
It is an arithmetic number, because the mean of its divisors is an integer number (5615458173).
Almost surely, 2102145432230 is an apocalyptic number.
102145432230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102145432230 is an abundant number, since it is smaller than the sum of its proper divisors (167396560074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102145432230 is a wasteful number, since it uses less digits than its factorization.
102145432230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16939621 (or 16939618 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 102145432230 its reverse (32234541201), we get a palindrome (134379973431).
The spelling of 102145432230 in words is "one hundred two billion, one hundred forty-five million, four hundred thirty-two thousand, two hundred thirty".
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