Base | Representation |
---|---|
bin | 1100001110110111101… |
… | …0111001100110011001 |
3 | 202002102201102200220011 |
4 | 3003231322321212121 |
5 | 11420341404230211 |
6 | 240312553201521 |
7 | 21116500061545 |
oct | 3035572714631 |
9 | 662381380804 |
10 | 210150070681 |
11 | 81140266571 |
12 | 3488aa002a1 |
13 | 16a81131765 |
14 | a25814aa25 |
15 | 56ee5c7921 |
hex | 30edeb9999 |
210150070681 has 4 divisors (see below), whose sum is σ = 210196952272. Its totient is φ = 210103189092.
The previous prime is 210150070651. The next prime is 210150070687. The reversal of 210150070681 is 186070051012.
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 210150070681 - 215 = 210150037913 is a prime.
It is a super-2 number, since 2×2101500706812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (210150070687) 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, 23434071 + ... + 23443036.
It is an arithmetic number, because the mean of its divisors is an integer number (52549238068).
Almost surely, 2210150070681 is an apocalyptic number.
It is an amenable number.
210150070681 is a deficient number, since it is larger than the sum of its proper divisors (46881591).
210150070681 is an equidigital number, since it uses as much as digits as its factorization.
210150070681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46881590.
The product of its (nonzero) digits is 3360, while the sum is 31.
The spelling of 210150070681 in words is "two hundred ten billion, one hundred fifty million, seventy thousand, six hundred eighty-one".
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