Base | Representation |
---|---|
bin | 1111100100100… |
… | …10011010100101 |
3 | 100002210100021010 |
4 | 13302102122211 |
5 | 231414420031 |
6 | 20543412433 |
7 | 3144164325 |
oct | 762223245 |
9 | 302710233 |
10 | 130623141 |
11 | 67808110 |
12 | 378b4119 |
13 | 210a62cc |
14 | 134c3285 |
15 | b703246 |
hex | 7c926a5 |
130623141 has 32 divisors (see below), whose sum is σ = 200143872. Its totient is φ = 75004160.
The previous prime is 130623127. The next prime is 130623149. The reversal of 130623141 is 141326031.
It is not a de Polignac number, because 130623141 - 214 = 130606757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130623149) 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, 85006 + ... + 86528.
It is an arithmetic number, because the mean of its divisors is an integer number (6254496).
Almost surely, 2130623141 is an apocalyptic number.
130623141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
130623141 is a deficient number, since it is larger than the sum of its proper divisors (69520731).
130623141 is a wasteful number, since it uses less digits than its factorization.
130623141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1673.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 130623141 is about 11429.0481230941. The cubic root of 130623141 is about 507.3878238159.
Adding to 130623141 its reverse (141326031), we get a palindrome (271949172).
The spelling of 130623141 in words is "one hundred thirty million, six hundred twenty-three thousand, one hundred forty-one".
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