Base | Representation |
---|---|
bin | 101111101100011101… |
… | …0000010011111011101 |
3 | 100210101001120211011212 |
4 | 1133120322002133131 |
5 | 3134230333403041 |
6 | 115015211354205 |
7 | 10254101014451 |
oct | 1373072023735 |
9 | 323331524155 |
10 | 102423341021 |
11 | 3a48a340081 |
12 | 17a25452965 |
13 | 98738ab441 |
14 | 4d58c38661 |
15 | 29e6d718eb |
hex | 17d8e827dd |
102423341021 has 16 divisors (see below), whose sum is σ = 114185684160. Its totient is φ = 91301126400.
The previous prime is 102423340979. The next prime is 102423341047. The reversal of 102423341021 is 120143324201.
It is a cyclic number.
It is not a de Polignac number, because 102423341021 - 226 = 102356232157 is a prime.
It is a super-2 number, since 2×1024233410212 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102423341051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269335 + ... + 1347611.
It is an arithmetic number, because the mean of its divisors is an integer number (7136605260).
Almost surely, 2102423341021 is an apocalyptic number.
It is an amenable number.
102423341021 is a deficient number, since it is larger than the sum of its proper divisors (11762343139).
102423341021 is a wasteful number, since it uses less digits than its factorization.
102423341021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82364.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 102423341021 its reverse (120143324201), we get a palindrome (222566665222).
The spelling of 102423341021 in words is "one hundred two billion, four hundred twenty-three million, three hundred forty-one thousand, twenty-one".
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