Base | Representation |
---|---|
bin | 101111100000011100… |
… | …0001110000110011101 |
3 | 100202022222000200220002 |
4 | 1133000320032012131 |
5 | 3132414133223401 |
6 | 114511211104045 |
7 | 10241104325534 |
oct | 1370070160635 |
9 | 322288020802 |
10 | 102020211101 |
11 | 3a2a2827656 |
12 | 17932442025 |
13 | 980b212323 |
14 | 4d1b49b31b |
15 | 29c1790a6b |
hex | 17c0e0e19d |
102020211101 has 8 divisors (see below), whose sum is σ = 102192261600. Its totient is φ = 101848214160.
The previous prime is 102020211089. The next prime is 102020211103. The reversal of 102020211101 is 101112020201.
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 102020211101 - 218 = 102019948957 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102020211103) 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, 5982455 + ... + 5999483.
It is an arithmetic number, because the mean of its divisors is an integer number (12774032700).
Almost surely, 2102020211101 is an apocalyptic number.
It is an amenable number.
102020211101 is a deficient number, since it is larger than the sum of its proper divisors (172050499).
102020211101 is an equidigital number, since it uses as much as digits as its factorization.
102020211101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26779.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 102020211101 its reverse (101112020201), we get a palindrome (203132231302).
The spelling of 102020211101 in words is "one hundred two billion, twenty million, two hundred eleven thousand, one hundred one".
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