Base | Representation |
---|---|
bin | 101111100110101110… |
… | …1001010101101010010 |
3 | 100202212200002012222010 |
4 | 1133031131022231102 |
5 | 3133332143114442 |
6 | 114544145523350 |
7 | 10246246026120 |
oct | 1371535125522 |
9 | 322780065863 |
10 | 102231223122 |
11 | 3a3a0951056 |
12 | 17991043556 |
13 | 9842b53a02 |
14 | 4d3b508910 |
15 | 29d5072b9c |
hex | 17cd74ab52 |
102231223122 has 64 divisors (see below), whose sum is σ = 240209086464. Its totient is φ = 28402980480.
The previous prime is 102231223111. The next prime is 102231223163. The reversal of 102231223122 is 221322132201.
It is a super-3 number, since 3×1022312231223 (a number of 34 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17128 + ... + 452499.
It is an arithmetic number, because the mean of its divisors is an integer number (3753266976).
Almost surely, 2102231223122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102231223122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120104543232).
102231223122 is an abundant number, since it is smaller than the sum of its proper divisors (137977863342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102231223122 is a wasteful number, since it uses less digits than its factorization.
102231223122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 469783.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 102231223122 its reverse (221322132201), we get a palindrome (323553355323).
The spelling of 102231223122 in words is "one hundred two billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred twenty-two".
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