Base | Representation |
---|---|
bin | 111110100110000… |
… | …1110000001001101 |
3 | 12102101012002121110 |
4 | 1331030032001031 |
5 | 13300142331044 |
6 | 544225522233 |
7 | 103022503254 |
oct | 17514160115 |
9 | 5371162543 |
10 | 2100355149 |
11 | 988660a02 |
12 | 4a74a3379 |
13 | 2761b36c9 |
14 | 15cd3d79b |
15 | c45d76b9 |
hex | 7d30e04d |
2100355149 has 8 divisors (see below), whose sum is σ = 2801478240. Its totient is φ = 1399734416.
The previous prime is 2100355141. The next prime is 2100355207. The reversal of 2100355149 is 9415530012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2100355149 - 23 = 2100355141 is a prime.
It is a super-2 number, since 2×21003551492 = 8822983503861624402, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100355141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115722 + ... + 132635.
It is an arithmetic number, because the mean of its divisors is an integer number (350184780).
Almost surely, 22100355149 is an apocalyptic number.
It is an amenable number.
2100355149 is a deficient number, since it is larger than the sum of its proper divisors (701123091).
2100355149 is a wasteful number, since it uses less digits than its factorization.
2100355149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 251179.
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 2100355149 is about 45829.6317790139. The cubic root of 2100355149 is about 1280.6513508247.
The spelling of 2100355149 in words is "two billion, one hundred million, three hundred fifty-five thousand, one hundred forty-nine".
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