Base | Representation |
---|---|
bin | 101111101100101010… |
… | …1000101111101110110 |
3 | 100210101112221010202000 |
4 | 1133121111011331312 |
5 | 3134234142330032 |
6 | 115020023400130 |
7 | 10254215213262 |
oct | 1373125057566 |
9 | 323345833660 |
10 | 102430433142 |
11 | 3a493344534 |
12 | 17a278b3046 |
13 | 98751c256b |
14 | 4d59b630a2 |
15 | 29e77c2e7c |
hex | 17d9545f76 |
102430433142 has 32 divisors (see below), whose sum is σ = 227904645600. Its totient is φ = 34101258624.
The previous prime is 102430433123. The next prime is 102430433143. The reversal of 102430433142 is 241334034201.
102430433142 is a `hidden beast` number, since 1 + 0 + 24 + 304 + 331 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102430433143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128663 + ... + 1216034.
It is an arithmetic number, because the mean of its divisors is an integer number (7122020175).
Almost surely, 2102430433142 is an apocalyptic number.
102430433142 is an abundant number, since it is smaller than the sum of its proper divisors (125474212458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102430433142 is a wasteful number, since it uses less digits than its factorization.
102430433142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2345517 (or 2345511 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 102430433142 its reverse (241334034201), we get a palindrome (343764467343).
The spelling of 102430433142 in words is "one hundred two billion, four hundred thirty million, four hundred thirty-three thousand, one hundred forty-two".
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