Base | Representation |
---|---|
bin | 111100101101110010… |
… | …1000000110000001001 |
3 | 110110112210020000210122 |
4 | 1321123211000300021 |
5 | 4114012133313240 |
6 | 135522004353025 |
7 | 12264034010204 |
oct | 1713345006011 |
9 | 413483200718 |
10 | 130385447945 |
11 | 50329205955 |
12 | 213299a5775 |
13 | c3ab9bc63c |
14 | 644c76293b |
15 | 35d1b004b5 |
hex | 1e5b940c09 |
130385447945 has 8 divisors (see below), whose sum is σ = 156464523720. Its totient is φ = 104307034240.
The previous prime is 130385447939. The next prime is 130385447963. The reversal of 130385447945 is 549744583031.
It can be written as a sum of positive squares in 4 ways, for example, as 1349313289 + 129036134656 = 36733^2 + 359216^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130385447945 - 210 = 130385446921 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545135 + ... + 746955.
It is an arithmetic number, because the mean of its divisors is an integer number (19558065465).
Almost surely, 2130385447945 is an apocalyptic number.
It is an amenable number.
130385447945 is a deficient number, since it is larger than the sum of its proper divisors (26079075775).
130385447945 is a wasteful number, since it uses less digits than its factorization.
130385447945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331035.
The product of its (nonzero) digits is 7257600, while the sum is 53.
The spelling of 130385447945 in words is "one hundred thirty billion, three hundred eighty-five million, four hundred forty-seven thousand, nine hundred forty-five".
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