Base | Representation |
---|---|
bin | 111111100010010… |
… | …1010111010001010 |
3 | 12111120121022012121 |
4 | 1333010222322022 |
5 | 13331233241022 |
6 | 551314401454 |
7 | 103555053403 |
oct | 17704527212 |
9 | 5446538177 |
10 | 2131930762 |
11 | 9a4468155 |
12 | 4b5b9028a |
13 | 27c8ba8c0 |
14 | 1631dc9aa |
15 | c72732c7 |
hex | 7f12ae8a |
2131930762 has 8 divisors (see below), whose sum is σ = 3443888196. Its totient is φ = 983968032.
The previous prime is 2131930753. The next prime is 2131930769. The reversal of 2131930762 is 2670391312.
It can be written as a sum of positive squares in 2 ways, for example, as 2085840241 + 46090521 = 45671^2 + 6789^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2131930769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40998643 + ... + 40998694.
Almost surely, 22131930762 is an apocalyptic number.
2131930762 is a deficient number, since it is larger than the sum of its proper divisors (1311957434).
2131930762 is a wasteful number, since it uses less digits than its factorization.
2131930762 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81997352.
The product of its (nonzero) digits is 13608, while the sum is 34.
The square root of 2131930762 is about 46172.8357587012. The cubic root of 2131930762 is about 1287.0369993471.
The spelling of 2131930762 in words is "two billion, one hundred thirty-one million, nine hundred thirty thousand, seven hundred sixty-two".
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