Base | Representation |
---|---|
bin | 111110111110011… |
… | …0111101000000001 |
3 | 12110021012000220002 |
4 | 1331330313220001 |
5 | 13311423432411 |
6 | 545403125345 |
7 | 103236061061 |
oct | 17574675001 |
9 | 5407160802 |
10 | 2113108481 |
11 | 994881750 |
12 | 4ab813855 |
13 | 278a2a563 |
14 | 1608dd3a1 |
15 | c57a633b |
hex | 7df37a01 |
2113108481 has 4 divisors (see below), whose sum is σ = 2305209264. Its totient is φ = 1921007700.
The previous prime is 2113108453. The next prime is 2113108489. The reversal of 2113108481 is 1848013112.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2113108481 - 210 = 2113107457 is a prime.
It is a super-2 number, since 2×21131084812 = 8930454904948254722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2113108489) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96050375 + ... + 96050396.
It is an arithmetic number, because the mean of its divisors is an integer number (576302316).
Almost surely, 22113108481 is an apocalyptic number.
It is an amenable number.
2113108481 is a deficient number, since it is larger than the sum of its proper divisors (192100783).
2113108481 is a wasteful number, since it uses less digits than its factorization.
2113108481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192100782.
The product of its (nonzero) digits is 1536, while the sum is 29.
The square root of 2113108481 is about 45968.5597011697. The cubic root of 2113108481 is about 1283.2381555470.
The spelling of 2113108481 in words is "two billion, one hundred thirteen million, one hundred eight thousand, four hundred eighty-one".
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