Base | Representation |
---|---|
bin | 1011100011000111… |
… | …1110110100101001 |
3 | 22000001101220121101 |
4 | 2320301332310221 |
5 | 22322112010441 |
6 | 1231342041401 |
7 | 136552333633 |
oct | 27061766451 |
9 | 8001356541 |
10 | 3100110121 |
11 | 1350a27689 |
12 | 726279261 |
13 | 3a53661b4 |
14 | 215a25a53 |
15 | 13226b231 |
hex | b8c7ed29 |
3100110121 has 4 divisors (see below), whose sum is σ = 3207010500. Its totient is φ = 2993209744.
The previous prime is 3100110109. The next prime is 3100110127. The reversal of 3100110121 is 1210110013.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1660970025 + 1439140096 = 40755^2 + 37936^2 .
It is a cyclic number.
It is not a de Polignac number, because 3100110121 - 211 = 3100108073 is a prime.
It is a super-2 number, since 2×31001101212 = 19221365524653269282, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3100110098 and 3100110107.
It is not an unprimeable number, because it can be changed into a prime (3100110127) 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, 53450146 + ... + 53450203.
It is an arithmetic number, because the mean of its divisors is an integer number (801752625).
Almost surely, 23100110121 is an apocalyptic number.
It is an amenable number.
3100110121 is a deficient number, since it is larger than the sum of its proper divisors (106900379).
3100110121 is a wasteful number, since it uses less digits than its factorization.
3100110121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106900378.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 3100110121 is about 55678.6325352913. The cubic root of 3100110121 is about 1458.1170009342.
Adding to 3100110121 its reverse (1210110013), we get a palindrome (4310220134).
The spelling of 3100110121 in words is "three billion, one hundred million, one hundred ten thousand, one hundred twenty-one".
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