Base | Representation |
---|---|
bin | 1011100011100111… |
… | …0010000101110100 |
3 | 22000012020210211020 |
4 | 2320321302011310 |
5 | 22323122430444 |
6 | 1231453541140 |
7 | 136605612015 |
oct | 27071620564 |
9 | 8005223736 |
10 | 3102155124 |
11 | 13520a4072 |
12 | 726aa47b0 |
13 | 3a5900c63 |
14 | 215dd900c |
15 | 132522119 |
hex | b8e72174 |
3102155124 has 12 divisors (see below), whose sum is σ = 7238361984. Its totient is φ = 1034051704.
The previous prime is 3102155123. The next prime is 3102155167. The reversal of 3102155124 is 4215512013.
It is a happy number.
3102155124 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 3102155094 and 3102155103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3102155123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129256452 + ... + 129256475.
It is an arithmetic number, because the mean of its divisors is an integer number (603196832).
Almost surely, 23102155124 is an apocalyptic number.
It is an amenable number.
3102155124 is an abundant number, since it is smaller than the sum of its proper divisors (4136206860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3102155124 is a wasteful number, since it uses less digits than its factorization.
3102155124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258512934 (or 258512932 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 3102155124 is about 55696.9938506559. The cubic root of 3102155124 is about 1458.4375484955.
Adding to 3102155124 its reverse (4215512013), we get a palindrome (7317667137).
The spelling of 3102155124 in words is "three billion, one hundred two million, one hundred fifty-five thousand, one hundred twenty-four".
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