Base | Representation |
---|---|
bin | 101111101010000010… |
… | …0001111110101000100 |
3 | 100210011101202220222202 |
4 | 1133110010033311010 |
5 | 3134044041143022 |
6 | 115003151014032 |
7 | 10252063521542 |
oct | 1372404176504 |
9 | 323141686882 |
10 | 102342131012 |
11 | 3a448512870 |
12 | 17a0220a318 |
13 | 985cb16394 |
14 | 4d4c138d92 |
15 | 29deb7e592 |
hex | 17d410fd44 |
102342131012 has 48 divisors (see below), whose sum is σ = 209544148800. Its totient is φ = 43239231360.
The previous prime is 102342130981. The next prime is 102342131039. The reversal of 102342131012 is 210131243201.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110587 + ... + 1199202.
It is an arithmetic number, because the mean of its divisors is an integer number (4365503100).
Almost surely, 2102342131012 is an apocalyptic number.
It is an amenable number.
102342131012 is an abundant number, since it is smaller than the sum of its proper divisors (107202017788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102342131012 is a wasteful number, since it uses less digits than its factorization.
102342131012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2309876 (or 2309874 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 102342131012 its reverse (210131243201), we get a palindrome (312473374213).
The spelling of 102342131012 in words is "one hundred two billion, three hundred forty-two million, one hundred thirty-one thousand, twelve".
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