Base | Representation |
---|---|
bin | 10011000000010110… |
… | …00000001000010101 |
3 | 222100002120000121100 |
4 | 21200023000020111 |
5 | 131344034301240 |
6 | 4404250540313 |
7 | 510564510354 |
oct | 114013001025 |
9 | 28302500540 |
10 | 10203431445 |
11 | 4366631079 |
12 | 1b89137699 |
13 | c67ba65cc |
14 | 6cb19999b |
15 | 3eab93e30 |
hex | 2602c0215 |
10203431445 has 48 divisors (see below), whose sum is σ = 17804509632. Its totient is φ = 5405460480.
The previous prime is 10203431443. The next prime is 10203431453. The reversal of 10203431445 is 54413430201.
It is a happy number.
10203431445 is a `hidden beast` number, since 10 + 203 + 4 + 3 + 1 + 445 = 666.
It is not a de Polignac number, because 10203431445 - 21 = 10203431443 is a prime.
It is a super-3 number, since 3×102034314453 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10203431443) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8383477 + ... + 8384693.
It is an arithmetic number, because the mean of its divisors is an integer number (370927284).
Almost surely, 210203431445 is an apocalyptic number.
10203431445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10203431445 is a deficient number, since it is larger than the sum of its proper divisors (7601078187).
10203431445 is a wasteful number, since it uses less digits than its factorization.
10203431445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2322 (or 2319 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 10203431445 its reverse (54413430201), we get a palindrome (64616861646).
The spelling of 10203431445 in words is "ten billion, two hundred three million, four hundred thirty-one thousand, four hundred forty-five".
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