Base | Representation |
---|---|
bin | 101111100101110011… |
… | …0111001110101100111 |
3 | 100202210111202011002112 |
4 | 1133023212321311213 |
5 | 3133301224033111 |
6 | 114541121231235 |
7 | 10245421355036 |
oct | 1371346716547 |
9 | 322714664075 |
10 | 102200221031 |
11 | 3a3853a6797 |
12 | 1798279251b |
13 | 98395ba88c |
14 | 4d3735871d |
15 | 29d249be8b |
hex | 17cb9b9d67 |
102200221031 has 4 divisors (see below), whose sum is σ = 102202436952. Its totient is φ = 102198005112.
The previous prime is 102200220977. The next prime is 102200221049. The reversal of 102200221031 is 130122002201.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 102200221031 - 234 = 85020351847 is a prime.
It is a super-2 number, since 2×1022002210312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102200220997 and 102200221015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102200221051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037276 + ... + 1131521.
It is an arithmetic number, because the mean of its divisors is an integer number (25550609238).
Almost surely, 2102200221031 is an apocalyptic number.
102200221031 is a deficient number, since it is larger than the sum of its proper divisors (2215921).
102200221031 is an equidigital number, since it uses as much as digits as its factorization.
102200221031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2215920.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 102200221031 its reverse (130122002201), we get a palindrome (232322223232).
The spelling of 102200221031 in words is "one hundred two billion, two hundred million, two hundred twenty-one thousand, thirty-one".
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