Base | Representation |
---|---|
bin | 111110101010011… |
… | …1000001100000111 |
3 | 12102112110102022011 |
4 | 1331110320030013 |
5 | 13301233000111 |
6 | 544350315051 |
7 | 103051006063 |
oct | 17524701407 |
9 | 5375412264 |
10 | 2102625031 |
11 | 989971341 |
12 | 4a81b8a87 |
13 | 2767c9930 |
14 | 15d370aa3 |
15 | c48d5021 |
hex | 7d538307 |
2102625031 has 8 divisors (see below), whose sum is σ = 2267108480. Its totient is φ = 1938533472.
The previous prime is 2102625029. The next prime is 2102625037. The reversal of 2102625031 is 1305262012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2102625031 - 21 = 2102625029 is a prime.
It is a super-2 number, since 2×21026250312 = 8842064041975501922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2102624993 and 2102625011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102625037) 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, 86775 + ... + 108328.
It is an arithmetic number, because the mean of its divisors is an integer number (283388560).
Almost surely, 22102625031 is an apocalyptic number.
2102625031 is a deficient number, since it is larger than the sum of its proper divisors (164483449).
2102625031 is a wasteful number, since it uses less digits than its factorization.
2102625031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195945.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 2102625031 is about 45854.3894409248. The cubic root of 2102625031 is about 1281.1125237671.
Adding to 2102625031 its reverse (1305262012), we get a palindrome (3407887043).
The spelling of 2102625031 in words is "two billion, one hundred two million, six hundred twenty-five thousand, thirty-one".
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