Base | Representation |
---|---|
bin | 1011100011000110… |
… | …0110111001011011 |
3 | 22000001012221011211 |
4 | 2320301212321123 |
5 | 22322100341443 |
6 | 1231340003551 |
7 | 136551445135 |
oct | 27061467133 |
9 | 8001187154 |
10 | 3100012123 |
11 | 135096aa9a |
12 | 7262305b7 |
13 | 3a5330700 |
14 | 2159dc055 |
15 | 13224c19d |
hex | b8c66e5b |
3100012123 has 6 divisors (see below), whose sum is σ = 3356818044. Its totient is φ = 2861549496.
The previous prime is 3100012117. The next prime is 3100012129. The reversal of 3100012123 is 3212100013.
It is an interprime number because it is at equal distance from previous prime (3100012117) and next prime (3100012129).
It is not a de Polignac number, because 3100012123 - 29 = 3100011611 is a prime.
It is a super-2 number, since 2×31000121232 = 19220150325493934258, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3100012129) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9171465 + ... + 9171802.
It is an arithmetic number, because the mean of its divisors is an integer number (559469674).
Almost surely, 23100012123 is an apocalyptic number.
3100012123 is a deficient number, since it is larger than the sum of its proper divisors (256805921).
3100012123 is a wasteful number, since it uses less digits than its factorization.
3100012123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18343293 (or 18343280 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 3100012123 is about 55677.7524959476. The cubic root of 3100012123 is about 1458.1016365278.
Adding to 3100012123 its reverse (3212100013), we get a palindrome (6312112136).
The spelling of 3100012123 in words is "three billion, one hundred million, twelve thousand, one hundred twenty-three".
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