Base | Representation |
---|---|
bin | 101111101111111011100110… |
… | …101011110101000110001011 |
3 | 1000112112222212112111211010021 |
4 | 233233323212223311012023 |
5 | 210011133044303014404 |
6 | 2022345330523401311 |
7 | 62143100234034523 |
oct | 5757734653650613 |
9 | 1015488775454107 |
10 | 210002001219979 |
11 | 60a05391a47581 |
12 | 1b677965383237 |
13 | 9024146bcab27 |
14 | 39c0218848683 |
15 | 1942979a36454 |
hex | befee6af518b |
210002001219979 has 16 divisors (see below), whose sum is σ = 222862677661440. Its totient is φ = 197452661237920.
The previous prime is 210002001219977. The next prime is 210002001220007. The reversal of 210002001219979 is 979912100200012.
It is a cyclic number.
It is not a de Polignac number, because 210002001219979 - 21 = 210002001219977 is a prime.
It is a super-2 number, since 2×2100020012199792 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (210002001219977) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13307889 + ... + 24435709.
It is an arithmetic number, because the mean of its divisors is an integer number (13928917353840).
Almost surely, 2210002001219979 is an apocalyptic number.
210002001219979 is a deficient number, since it is larger than the sum of its proper divisors (12860676441461).
210002001219979 is a wasteful number, since it uses less digits than its factorization.
210002001219979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11141810.
The product of its (nonzero) digits is 40824, while the sum is 43.
The spelling of 210002001219979 in words is "two hundred ten trillion, two billion, one million, two hundred nineteen thousand, nine hundred seventy-nine".
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