Base | Representation |
---|---|
bin | 110000000000101101… |
… | …0110110111011000111 |
3 | 100212010102112202100000 |
4 | 1200001122312323013 |
5 | 3142123334024111 |
6 | 115210451452343 |
7 | 10306663215015 |
oct | 1400132667307 |
9 | 325112482300 |
10 | 103103033031 |
11 | 3a7a8a79809 |
12 | 17b94bb70b3 |
13 | 995165a16b |
14 | 4dc12078b5 |
15 | 2a36881c56 |
hex | 18016b6ec7 |
103103033031 has 24 divisors (see below), whose sum is σ = 154464441040. Its totient is φ = 68725547712.
The previous prime is 103103033027. The next prime is 103103033039. The reversal of 103103033031 is 130330301301.
It is not a de Polignac number, because 103103033031 - 22 = 103103033027 is a prime.
It is a super-2 number, since 2×1031030330312 (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 = 103103032995 and 103103033013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103103033039) 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, 1939401 + ... + 1991853.
Almost surely, 2103103033031 is an apocalyptic number.
103103033031 is a deficient number, since it is larger than the sum of its proper divisors (51361408009).
103103033031 is an frugal number, since it uses more digits than its factorization.
103103033031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60557 (or 60545 counting only the distinct ones).
The product of its (nonzero) digits is 243, while the sum is 18.
Adding to 103103033031 its reverse (130330301301), we get a palindrome (233433334332).
The spelling of 103103033031 in words is "one hundred three billion, one hundred three million, thirty-three thousand, thirty-one".
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