Base | Representation |
---|---|
bin | 110000000011101100… |
… | …1000001011010011001 |
3 | 100212101102001112011100 |
4 | 1200013121001122121 |
5 | 3142330010340001 |
6 | 115224431022013 |
7 | 10312320565515 |
oct | 1400731013231 |
9 | 325342045140 |
10 | 103203215001 |
11 | 3a84a584a27 |
12 | 1800266a909 |
13 | 9969335733 |
14 | 4dd0645145 |
15 | 2a40570586 |
hex | 1807641699 |
103203215001 has 24 divisors (see below), whose sum is σ = 157861556424. Its totient is φ = 64746201600.
The previous prime is 103203214999. The next prime is 103203215029. The reversal of 103203215001 is 100512302301.
It can be written as a sum of positive squares in 4 ways, for example, as 54328617225 + 48874597776 = 233085^2 + 221076^2 .
It is not a de Polignac number, because 103203215001 - 21 = 103203214999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (103203215051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1200351 + ... + 1283451.
It is an arithmetic number, because the mean of its divisors is an integer number (6577564851).
Almost surely, 2103203215001 is an apocalyptic number.
It is an amenable number.
103203215001 is a deficient number, since it is larger than the sum of its proper divisors (54658341423).
103203215001 is a wasteful number, since it uses less digits than its factorization.
103203215001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91241 (or 91238 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
Adding to 103203215001 its reverse (100512302301), we get a palindrome (203715517302).
The spelling of 103203215001 in words is "one hundred three billion, two hundred three million, two hundred fifteen thousand, one".
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