Base | Representation |
---|---|
bin | 101111111101101110… |
… | …1011000010111101011 |
3 | 100211212110101010100210 |
4 | 1133323131120113223 |
5 | 3141422233443034 |
6 | 115152520232203 |
7 | 10304340213660 |
oct | 1377335302753 |
9 | 324773333323 |
10 | 103003031019 |
11 | 3a757586819 |
12 | 17b6760b663 |
13 | 9936a15785 |
14 | 4db1c15a67 |
15 | 2a2cbcb8e9 |
hex | 17fb7585eb |
103003031019 has 64 divisors (see below), whose sum is σ = 166700187648. Its totient is φ = 55299024000.
The previous prime is 103003030993. The next prime is 103003031057. The reversal of 103003031019 is 910130300301.
It is not a de Polignac number, because 103003031019 - 211 = 103003028971 is a prime.
It is a super-2 number, since 2×1030030310192 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 103003030986 and 103003031004.
It is not an unprimeable number, because it can be changed into a prime (103003031069) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25424544 + ... + 25428594.
It is an arithmetic number, because the mean of its divisors is an integer number (2604690432).
Almost surely, 2103003031019 is an apocalyptic number.
103003031019 is a deficient number, since it is larger than the sum of its proper divisors (63697156629).
103003031019 is a wasteful number, since it uses less digits than its factorization.
103003031019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5008.
The product of its (nonzero) digits is 243, while the sum is 21.
The spelling of 103003031019 in words is "one hundred three billion, three million, thirty-one thousand, nineteen".
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