Base | Representation |
---|---|
bin | 10111001111101010001000… |
… | …011101100100001011100110 |
3 | 111101222012100012112010220111 |
4 | 113033222020131210023212 |
5 | 101344423243330444032 |
6 | 1001232153000523234 |
7 | 30350644662042436 |
oct | 2717521035441346 |
9 | 441865305463814 |
10 | 102231101031142 |
11 | 2a634a6a411186 |
12 | b5710a4a8051a |
13 | 4507475213695 |
14 | 1b360241182c6 |
15 | bc43eb336c47 |
hex | 5cfa887642e6 |
102231101031142 has 16 divisors (see below), whose sum is σ = 153585672246720. Its totient is φ = 51035887994112.
The previous prime is 102231101031071. The next prime is 102231101031149. The reversal of 102231101031142 is 241130101132201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102231101031149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15805923 + ... + 21314065.
It is an arithmetic number, because the mean of its divisors is an integer number (9599104515420).
Almost surely, 2102231101031142 is an apocalyptic number.
102231101031142 is a deficient number, since it is larger than the sum of its proper divisors (51354571215578).
102231101031142 is a wasteful number, since it uses less digits than its factorization.
102231101031142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5522607.
The product of its (nonzero) digits is 288, while the sum is 22.
Adding to 102231101031142 its reverse (241130101132201), we get a palindrome (343361202163343).
The spelling of 102231101031142 in words is "one hundred two trillion, two hundred thirty-one billion, one hundred one million, thirty-one thousand, one hundred forty-two".
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