Base | Representation |
---|---|
bin | 101110101010010010… |
… | …0100000001100110111 |
3 | 100120122022211001020012 |
4 | 1131110210200030313 |
5 | 3120203443244111 |
6 | 114011020130435 |
7 | 10145061215423 |
oct | 1352444401467 |
9 | 316568731205 |
10 | 100203103031 |
11 | 39550048449 |
12 | 17505996a1b |
13 | 95ab912255 |
14 | 4bc800db83 |
15 | 2916ea848b |
hex | 1754920337 |
100203103031 has 8 divisors (see below), whose sum is σ = 102581456304. Its totient is φ = 97851931200.
The previous prime is 100203102949. The next prime is 100203103037. The reversal of 100203103031 is 130301302001.
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 100203103031 - 218 = 100202840887 is a prime.
It is a super-2 number, since 2×1002031030312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 100203102997 and 100203103015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100203103037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6787901 + ... + 6802646.
It is an arithmetic number, because the mean of its divisors is an integer number (12822682038).
Almost surely, 2100203103031 is an apocalyptic number.
100203103031 is a deficient number, since it is larger than the sum of its proper divisors (2378353273).
100203103031 is a wasteful number, since it uses less digits than its factorization.
100203103031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13590721.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 100203103031 its reverse (130301302001), we get a palindrome (230504405032).
The spelling of 100203103031 in words is "one hundred billion, two hundred three million, one hundred three thousand, thirty-one".
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