Base | Representation |
---|---|
bin | 110000000000101101… |
… | …1001001111101110111 |
3 | 100212010102200201022220 |
4 | 1200001123021331313 |
5 | 3142123344023111 |
6 | 115210453253423 |
7 | 10306663661304 |
oct | 1400133117567 |
9 | 325112621286 |
10 | 103103111031 |
11 | 3a7a9022378 |
12 | 17b95034273 |
13 | 995168680b |
14 | 4dc12280ab |
15 | 2a36899e06 |
hex | 18016c9f77 |
103103111031 has 8 divisors (see below), whose sum is σ = 139127089920. Its totient is φ = 67907269752.
The previous prime is 103103110997. The next prime is 103103111077. The reversal of 103103111031 is 130111301301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 103103111031 - 215 = 103103078263 is a prime.
It is a super-2 number, since 2×1031031110312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 103103111031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103103111081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207034111 + ... + 207034608.
It is an arithmetic number, because the mean of its divisors is an integer number (17390886240).
Almost surely, 2103103111031 is an apocalyptic number.
103103111031 is a deficient number, since it is larger than the sum of its proper divisors (36023978889).
103103111031 is an equidigital number, since it uses as much as digits as its factorization.
103103111031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 414068805.
The product of its (nonzero) digits is 27, while the sum is 15.
Adding to 103103111031 its reverse (130111301301), we get a palindrome (233214412332).
The spelling of 103103111031 in words is "one hundred three billion, one hundred three million, one hundred eleven thousand, thirty-one".
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