Base | Representation |
---|---|
bin | 10010110100001010… |
… | …00111001010111100 |
3 | 222001222020100112000 |
4 | 21122011013022330 |
5 | 131141403132444 |
6 | 4350200142300 |
7 | 505213663005 |
oct | 113205071274 |
9 | 28058210460 |
10 | 10101224124 |
11 | 4313972212 |
12 | 1b5aa67990 |
13 | c4c96c1c4 |
14 | 6bb7921ac |
15 | 3e1c05469 |
hex | 25a1472bc |
10101224124 has 96 divisors (see below), whose sum is σ = 26526796800. Its totient is φ = 3323851200.
The previous prime is 10101224123. The next prime is 10101224149. The reversal of 10101224124 is 42142210101.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 10101224097 and 10101224106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10101224123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2721582 + ... + 2725290.
It is an arithmetic number, because the mean of its divisors is an integer number (276320800).
Almost surely, 210101224124 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10101224124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13263398400).
10101224124 is an abundant number, since it is smaller than the sum of its proper divisors (16425572676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10101224124 is a wasteful number, since it uses less digits than its factorization.
10101224124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4040 (or 4032 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 10101224124 its reverse (42142210101), we get a palindrome (52243434225).
The spelling of 10101224124 in words is "ten billion, one hundred one million, two hundred twenty-four thousand, one hundred twenty-four".
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