Base | Representation |
---|---|
bin | 10111000110001111… |
… | …10100001100011110 |
3 | 1012000012120011120010 |
4 | 23203013310030132 |
5 | 200344001131142 |
6 | 5410251504050 |
7 | 616202520660 |
oct | 134307641436 |
9 | 35005504503 |
10 | 12400411422 |
11 | 5293788703 |
12 | 24a0a58026 |
13 | 12280bb469 |
14 | 858c8c530 |
15 | 4c89b5e9c |
hex | 2e31f431e |
12400411422 has 96 divisors (see below), whose sum is σ = 30535349760. Its totient is φ = 3287370240.
The previous prime is 12400411409. The next prime is 12400411433. The reversal of 12400411422 is 22411400421.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 854604 + ... + 868992.
It is an arithmetic number, because the mean of its divisors is an integer number (318076560).
Almost surely, 212400411422 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12400411422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15267674880).
12400411422 is an abundant number, since it is smaller than the sum of its proper divisors (18134938338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12400411422 is a wasteful number, since it uses less digits than its factorization.
12400411422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14506 (or 14489 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 12400411422 its reverse (22411400421), we get a palindrome (34811811843).
The spelling of 12400411422 in words is "twelve billion, four hundred million, four hundred eleven thousand, four hundred twenty-two".
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