Base | Representation |
---|---|
bin | 11100111010110110… |
… | …010111111100010101 |
3 | 2222011002000021222101 |
4 | 130322312113330111 |
5 | 1002043314302240 |
6 | 22133134202101 |
7 | 2146333344556 |
oct | 347266277425 |
9 | 88132007871 |
10 | 31052103445 |
11 | 12195114a10 |
12 | 6027353331 |
13 | 2c0b345c0c |
14 | 170807a32d |
15 | c1b19d39a |
hex | 73ad97f15 |
31052103445 has 16 divisors (see below), whose sum is σ = 40827553920. Its totient is φ = 22484721600.
The previous prime is 31052103409. The next prime is 31052103449. The reversal of 31052103445 is 54430125013.
It is not a de Polignac number, because 31052103445 - 211 = 31052101397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31052103449) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220121 + ... + 1245310.
It is an arithmetic number, because the mean of its divisors is an integer number (2551722120).
Almost surely, 231052103445 is an apocalyptic number.
It is an amenable number.
31052103445 is a deficient number, since it is larger than the sum of its proper divisors (9775450475).
31052103445 is a wasteful number, since it uses less digits than its factorization.
31052103445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2465676.
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 31052103445 its reverse (54430125013), we get a palindrome (85482228458).
The spelling of 31052103445 in words is "thirty-one billion, fifty-two million, one hundred three thousand, four hundred forty-five".
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