Base | Representation |
---|---|
bin | 111100100101111010… |
… | …0010011001001100011 |
3 | 110102212100122200212011 |
4 | 1321023310103021203 |
5 | 4112441440120003 |
6 | 135435441013351 |
7 | 12254343264232 |
oct | 1711364231143 |
9 | 412770580764 |
10 | 130121020003 |
11 | 50202a18267 |
12 | 21275324257 |
13 | c368c97ac0 |
14 | 64255acb19 |
15 | 35b87bb46d |
hex | 1e4bd13263 |
130121020003 has 32 divisors (see below), whose sum is σ = 150837523200. Its totient is φ = 111241123200.
The previous prime is 130121019991. The next prime is 130121020009. The reversal of 130121020003 is 300020121031.
It is a cyclic number.
It is not a de Polignac number, because 130121020003 - 221 = 130118922851 is a prime.
It is a super-2 number, since 2×1301210200032 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (130121020009) 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 31 ways as a sum of consecutive naturals, for example, 2613048 + ... + 2662378.
It is an arithmetic number, because the mean of its divisors is an integer number (4713672600).
Almost surely, 2130121020003 is an apocalyptic number.
130121020003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
130121020003 is a deficient number, since it is larger than the sum of its proper divisors (20716503197).
130121020003 is a wasteful number, since it uses less digits than its factorization.
130121020003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49603.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 130121020003 its reverse (300020121031), we get a palindrome (430141141034).
The spelling of 130121020003 in words is "one hundred thirty billion, one hundred twenty-one million, twenty thousand, three".
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