Base | Representation |
---|---|
bin | 10111001101110000111110… |
… | …011011101111011100000101 |
3 | 111101111202112221100001121101 |
4 | 113031300332123233130011 |
5 | 101340310332031120401 |
6 | 1001052320111020101 |
7 | 30335361131511661 |
oct | 2715607633573405 |
9 | 441452487301541 |
10 | 102101010020101 |
11 | 2a594882430114 |
12 | b54ba3980a631 |
13 | 44c8112524981 |
14 | 1b2da0291b8a1 |
15 | bc0d354e7101 |
hex | 5cdc3e6ef705 |
102101010020101 has 8 divisors (see below), whose sum is σ = 107902933639200. Its totient is φ = 96341905026000.
The previous prime is 102101010019999. The next prime is 102101010020161. The reversal of 102101010020101 is 101020010101201.
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 102101010020101 - 27 = 102101010019973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102101010020161) 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, 10704651346 + ... + 10704660883.
It is an arithmetic number, because the mean of its divisors is an integer number (13487866704900).
Almost surely, 2102101010020101 is an apocalyptic number.
It is an amenable number.
102101010020101 is a deficient number, since it is larger than the sum of its proper divisors (5801923619099).
102101010020101 is a wasteful number, since it uses less digits than its factorization.
102101010020101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21409312499.
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 102101010020101 its reverse (101020010101201), we get a palindrome (203121020121302).
The spelling of 102101010020101 in words is "one hundred two trillion, one hundred one billion, ten million, twenty thousand, one hundred one".
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