Base | Representation |
---|---|
bin | 1111100110111… |
… | …11011001001101 |
3 | 100010101100210001 |
4 | 13303133121031 |
5 | 232010012240 |
6 | 20554244301 |
7 | 3146646511 |
oct | 763373115 |
9 | 303340701 |
10 | 130938445 |
11 | 67a02aa0 |
12 | 37a26691 |
13 | 21186991 |
14 | 13566141 |
15 | b76689a |
hex | 7cdf64d |
130938445 has 16 divisors (see below), whose sum is σ = 171787392. Its totient is φ = 95018560.
The previous prime is 130938439. The next prime is 130938469. The reversal of 130938445 is 544839031.
It is not a de Polignac number, because 130938445 - 217 = 130807373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25299 + ... + 30031.
It is an arithmetic number, because the mean of its divisors is an integer number (10736712).
Almost surely, 2130938445 is an apocalyptic number.
It is an amenable number.
130938445 is a deficient number, since it is larger than the sum of its proper divisors (40848947).
130938445 is a wasteful number, since it uses less digits than its factorization.
130938445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5252.
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 130938445 is about 11442.8337836394. The cubic root of 130938445 is about 507.7957476036.
The spelling of 130938445 in words is "one hundred thirty million, nine hundred thirty-eight thousand, four hundred forty-five".
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