Base | Representation |
---|---|
bin | 101111100000110010… |
… | …1101100010010011110 |
3 | 100202100210110022020100 |
4 | 1133001211230102132 |
5 | 3132430211144410 |
6 | 114512314401530 |
7 | 10241310543231 |
oct | 1370145542236 |
9 | 322323408210 |
10 | 102032131230 |
11 | 3a2a95293a7 |
12 | 179364302a6 |
13 | 9810826b63 |
14 | 4d1ccc1418 |
15 | 29c28478c0 |
hex | 17c196c49e |
102032131230 has 96 divisors (see below), whose sum is σ = 279553996800. Its totient is φ = 25748093376.
The previous prime is 102032131193. The next prime is 102032131231. The reversal of 102032131230 is 32131230201.
102032131230 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 321 + 312 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102032131231) 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 47 ways as a sum of consecutive naturals, for example, 1539027 + ... + 1603953.
It is an arithmetic number, because the mean of its divisors is an integer number (2912020800).
Almost surely, 2102032131230 is an apocalyptic number.
102032131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 102032131230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139776998400).
102032131230 is an abundant number, since it is smaller than the sum of its proper divisors (177521865570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102032131230 is a wasteful number, since it uses less digits than its factorization.
102032131230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65878 (or 65875 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 102032131230 its reverse (32131230201), we get a palindrome (134163361431).
The spelling of 102032131230 in words is "one hundred two billion, thirty-two million, one hundred thirty-one thousand, two hundred thirty".
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