Base | Representation |
---|---|
bin | 101111100000001100… |
… | …1010010001001011011 |
3 | 100202022101202200012210 |
4 | 1133000121102021123 |
5 | 3132410044214321 |
6 | 114510321210203 |
7 | 10240645360536 |
oct | 1370031221133 |
9 | 322271680183 |
10 | 102012101211 |
11 | 3a299198569 |
12 | 1792b790963 |
13 | 9809632b87 |
14 | 4d1a389a1d |
15 | 29c0bdcb76 |
hex | 17c065225b |
102012101211 has 8 divisors (see below), whose sum is σ = 136023131664. Its totient is φ = 68004569120.
The previous prime is 102012101137. The next prime is 102012101249. The reversal of 102012101211 is 112101210201.
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 102012101211 - 217 = 102011970139 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102012101281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805776 + ... + 923741.
It is an arithmetic number, because the mean of its divisors is an integer number (17002891458).
Almost surely, 2102012101211 is an apocalyptic number.
102012101211 is a deficient number, since it is larger than the sum of its proper divisors (34011030453).
102012101211 is a wasteful number, since it uses less digits than its factorization.
102012101211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1749181.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 102012101211 its reverse (112101210201), we get a palindrome (214113311412).
The spelling of 102012101211 in words is "one hundred two billion, twelve million, one hundred one thousand, two hundred eleven".
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