Base | Representation |
---|---|
bin | 101111100000001000… |
… | …1101110111110001001 |
3 | 100202022021001010102011 |
4 | 1133000101232332021 |
5 | 3132404042401441 |
6 | 114510210535521 |
7 | 10240622505565 |
oct | 1370021567611 |
9 | 322267033364 |
10 | 102010122121 |
11 | 3a298066656 |
12 | 1792ab975a1 |
13 | 98090bc10b |
14 | 4d19dd26a5 |
15 | 29c094b581 |
hex | 17c046ef89 |
102010122121 has 8 divisors (see below), whose sum is σ = 102619395200. Its totient is φ = 101401816032.
The previous prime is 102010122113. The next prime is 102010122161. The reversal of 102010122121 is 121221010201.
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 102010122121 - 23 = 102010122113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102010122101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29580 + ... + 452653.
It is an arithmetic number, because the mean of its divisors is an integer number (12827424400).
Almost surely, 2102010122121 is an apocalyptic number.
It is an amenable number.
102010122121 is a deficient number, since it is larger than the sum of its proper divisors (609273079).
102010122121 is a wasteful number, since it uses less digits than its factorization.
102010122121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 483495.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 102010122121 its reverse (121221010201), we get a palindrome (223231132322).
The spelling of 102010122121 in words is "one hundred two billion, ten million, one hundred twenty-two thousand, one hundred twenty-one".
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