Base | Representation |
---|---|
bin | 111100101000100111… |
… | …1101111110000000011 |
3 | 110110002201001002122222 |
4 | 1321101033233300003 |
5 | 4113133244213443 |
6 | 135452453121255 |
7 | 12256530411656 |
oct | 1712117576003 |
9 | 413081032588 |
10 | 130212101123 |
11 | 5024a377915 |
12 | 2129b92922b |
13 | c381b07b60 |
14 | 643371b89d |
15 | 35c17ad468 |
hex | 1e513efc03 |
130212101123 has 32 divisors (see below), whose sum is σ = 146942595072. Its totient is φ = 114486134400.
The previous prime is 130212101111. The next prime is 130212101143. The reversal of 130212101123 is 321101212031.
It is a cyclic number.
It is not a de Polignac number, because 130212101123 - 220 = 130211052547 is a prime.
It is a super-2 number, since 2×1302121011232 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130212101143) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131394158 + ... + 131395148.
It is an arithmetic number, because the mean of its divisors is an integer number (4591956096).
Almost surely, 2130212101123 is an apocalyptic number.
130212101123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
130212101123 is a deficient number, since it is larger than the sum of its proper divisors (16730493949).
130212101123 is a wasteful number, since it uses less digits than its factorization.
130212101123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2435.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 130212101123 its reverse (321101212031), we get a palindrome (451313313154).
The spelling of 130212101123 in words is "one hundred thirty billion, two hundred twelve million, one hundred one thousand, one hundred twenty-three".
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