Base | Representation |
---|---|
bin | 101111111110100100… |
… | …0000100111111000110 |
3 | 100211221102000011000010 |
4 | 1133331020010333012 |
5 | 3142001414013110 |
6 | 115155355531050 |
7 | 10305130026126 |
oct | 1377510047706 |
9 | 324842004003 |
10 | 103031001030 |
11 | 3a771350031 |
12 | 17b74a59a86 |
13 | 993c759789 |
14 | 4db5816c86 |
15 | 2a303a4020 |
hex | 17fd204fc6 |
103031001030 has 16 divisors (see below), whose sum is σ = 247274402544. Its totient is φ = 27474933600.
The previous prime is 103031001001. The next prime is 103031001041. The reversal of 103031001030 is 30100130301.
It is a super-2 number, since 2×1030310010302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103031000997 and 103031001015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717183321 + ... + 1717183380.
It is an arithmetic number, because the mean of its divisors is an integer number (15454650159).
Almost surely, 2103031001030 is an apocalyptic number.
103031001030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
103031001030 is an abundant number, since it is smaller than the sum of its proper divisors (144243401514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103031001030 is a wasteful number, since it uses less digits than its factorization.
103031001030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3434366711.
The product of its (nonzero) digits is 27, while the sum is 12.
Adding to 103031001030 its reverse (30100130301), we get a palindrome (133131131331).
The spelling of 103031001030 in words is "one hundred three billion, thirty-one million, one thousand, thirty".
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